Update vendor (#1461)

* Update vendored libs

* Fix slack api changes

17 files changed, 45 insertions, 1481 deletions

diff --git a/vendor/github.com/slack-go/slack/README.md b/vendor/github.com/slack-go/slack/README.md
index 7be89066..dc83eaa8 100644
--- a/vendor/github.com/slack-go/slack/README.md
+++ b/vendor/github.com/slack-go/slack/README.md
@@ -1,5 +1,6 @@
-Slack API in Go [![GoDoc](https://godoc.org/github.com/slack-go/slack?status.svg)](https://godoc.org/github.com/slack-go/slack) [![Build Status](https://travis-ci.org/slack-go/slack.svg)](https://travis-ci.org/slack-go/slack)
+Slack API in Go [![Go Reference](https://pkg.go.dev/badge/github.com/slack-go/slack.svg)](https://pkg.go.dev/github.com/slack-go/slack)
 ===============
+
 This is the original Slack library for Go created by Norberto Lopes, transferred to a Github organization.
 
 [![Join the chat at https://gitter.im/go-slack/Lobby](https://badges.gitter.im/go-slack/Lobby.svg)](https://gitter.im/go-slack/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
@@ -14,7 +15,7 @@ a fully managed way.
 There is currently no major version released.
 Therefore, minor version releases may include backward incompatible changes.
 
-See [CHANGELOG.md](https://github.com/slack-go/slack/blob/master/CHANGELOG.md) for more information about the changes.
+See [CHANGELOG.md](https://github.com/slack-go/slack/blob/master/CHANGELOG.md) or [Releases](https://github.com/slack-go/slack/releases) for more information about the changes.
 
 ## Installing
 
diff --git a/vendor/github.com/slack-go/slack/apps.go b/vendor/github.com/slack-go/slack/apps.go
index d9749438..4f60da0a 100644
--- a/vendor/github.com/slack-go/slack/apps.go
+++ b/vendor/github.com/slack-go/slack/apps.go
@@ -45,14 +45,13 @@ func (api *Client) ListEventAuthorizationsContext(ctx context.Context, eventCont
 
 func (api *Client) UninstallApp(clientID, clientSecret string) error {
 	values := url.Values{
-		"token":         {api.token},
 		"client_id":     {clientID},
 		"client_secret": {clientSecret},
 	}
 
 	response := SlackResponse{}
 
-	err := api.getMethod(context.Background(), "apps.uninstall", values, &response)
+	err := api.getMethod(context.Background(), "apps.uninstall", api.token, values, &response)
 	if err != nil {
 		return err
 	}
diff --git a/vendor/github.com/slack-go/slack/attachments.go b/vendor/github.com/slack-go/slack/attachments.go
index 69b223a2..f4eb9b93 100644
--- a/vendor/github.com/slack-go/slack/attachments.go
+++ b/vendor/github.com/slack-go/slack/attachments.go
@@ -17,7 +17,7 @@ type AttachmentAction struct {
 	Name            string                        `json:"name"`                       // Required.
 	Text            string                        `json:"text"`                       // Required.
 	Style           string                        `json:"style,omitempty"`            // Optional. Allowed values: "default", "primary", "danger".
-	Type            actionType                    `json:"type"`                       // Required. Must be set to "button" or "select".
+	Type            ActionType                    `json:"type"`                       // Required. Must be set to "button" or "select".
 	Value           string                        `json:"value,omitempty"`            // Optional.
 	DataSource      string                        `json:"data_source,omitempty"`      // Optional.
 	MinQueryLength  int                           `json:"min_query_length,omitempty"` // Optional. Default value is 1.
@@ -29,7 +29,7 @@ type AttachmentAction struct {
 }
 
 // actionType returns the type of the action
-func (a AttachmentAction) actionType() actionType {
+func (a AttachmentAction) actionType() ActionType {
 	return a.Type
 }
 
diff --git a/vendor/github.com/slack-go/slack/block.go b/vendor/github.com/slack-go/slack/block.go
index 9946a294..3686db85 100644
--- a/vendor/github.com/slack-go/slack/block.go
+++ b/vendor/github.com/slack-go/slack/block.go
@@ -35,7 +35,7 @@ type Blocks struct {
 type BlockAction struct {
 	ActionID              string              `json:"action_id"`
 	BlockID               string              `json:"block_id"`
-	Type                  actionType          `json:"type"`
+	Type                  ActionType          `json:"type"`
 	Text                  TextBlockObject     `json:"text"`
 	Value                 string              `json:"value"`
 	ActionTs              string              `json:"action_ts"`
@@ -58,7 +58,7 @@ type BlockAction struct {
 }
 
 // actionType returns the type of the action
-func (b BlockAction) actionType() actionType {
+func (b BlockAction) actionType() ActionType {
 	return b.Type
 }
 
diff --git a/vendor/github.com/slack-go/slack/block_conv.go b/vendor/github.com/slack-go/slack/block_conv.go
index f2d744c4..6936700a 100644
--- a/vendor/github.com/slack-go/slack/block_conv.go
+++ b/vendor/github.com/slack-go/slack/block_conv.go
@@ -181,6 +181,8 @@ func (b *BlockElements) UnmarshalJSON(data []byte) error {
 			blockElement = &OverflowBlockElement{}
 		case "datepicker":
 			blockElement = &DatePickerBlockElement{}
+		case "timepicker":
+			blockElement = &TimePickerBlockElement{}
 		case "plain_text_input":
 			blockElement = &PlainTextInputBlockElement{}
 		case "checkboxes":
diff --git a/vendor/github.com/slack-go/slack/channels.go b/vendor/github.com/slack-go/slack/channels.go
index c05521d0..2fca8b92 100644
--- a/vendor/github.com/slack-go/slack/channels.go
+++ b/vendor/github.com/slack-go/slack/channels.go
@@ -3,8 +3,6 @@ package slack
 import (
 	"context"
 	"net/url"
-	"strconv"
-	"time"
 )
 
 type channelResponseFull struct {
@@ -19,12 +17,6 @@ type channelResponseFull struct {
 }
 
 // Channel contains information about the channel
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
 type Channel struct {
 	GroupConversation
 	IsChannel bool   `json:"is_channel"`
@@ -42,673 +34,3 @@ func (api *Client) channelRequest(ctx context.Context, path string, values url.V
 
 	return response, response.Err()
 }
-
-// GetChannelsOption option provided when getting channels.
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-type GetChannelsOption func(*ChannelPagination) error
-
-// GetChannelsOptionExcludeMembers excludes the members collection from each channel.
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func GetChannelsOptionExcludeMembers() GetChannelsOption {
-	return func(p *ChannelPagination) error {
-		p.excludeMembers = true
-		return nil
-	}
-}
-
-// GetChannelsOptionExcludeArchived excludes archived channels from results.
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func GetChannelsOptionExcludeArchived() GetChannelsOption {
-	return func(p *ChannelPagination) error {
-		p.excludeArchived = true
-		return nil
-	}
-}
-
-// ArchiveChannel archives the given channel
-// see https://api.slack.com/methods/channels.archive
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) ArchiveChannel(channelID string) error {
-	return api.ArchiveChannelContext(context.Background(), channelID)
-}
-
-// ArchiveChannelContext archives the given channel with a custom context
-// see https://api.slack.com/methods/channels.archive
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) ArchiveChannelContext(ctx context.Context, channelID string) (err error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-	}
-
-	_, err = api.channelRequest(ctx, "channels.archive", values)
-	return err
-}
-
-// UnarchiveChannel unarchives the given channel
-// see https://api.slack.com/methods/channels.unarchive
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) UnarchiveChannel(channelID string) error {
-	return api.UnarchiveChannelContext(context.Background(), channelID)
-}
-
-// UnarchiveChannelContext unarchives the given channel with a custom context
-// see https://api.slack.com/methods/channels.unarchive
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) UnarchiveChannelContext(ctx context.Context, channelID string) (err error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-	}
-
-	_, err = api.channelRequest(ctx, "channels.unarchive", values)
-	return err
-}
-
-// CreateChannel creates a channel with the given name and returns a *Channel
-// see https://api.slack.com/methods/channels.create
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) CreateChannel(channelName string) (*Channel, error) {
-	return api.CreateChannelContext(context.Background(), channelName)
-}
-
-// CreateChannelContext creates a channel with the given name and returns a *Channel with a custom context
-// see https://api.slack.com/methods/channels.create
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) CreateChannelContext(ctx context.Context, channelName string) (*Channel, error) {
-	values := url.Values{
-		"token": {api.token},
-		"name":  {channelName},
-	}
-
-	response, err := api.channelRequest(ctx, "channels.create", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Channel, nil
-}
-
-// GetChannelHistory retrieves the channel history
-// see https://api.slack.com/methods/channels.history
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannelHistory(channelID string, params HistoryParameters) (*History, error) {
-	return api.GetChannelHistoryContext(context.Background(), channelID, params)
-}
-
-// GetChannelHistoryContext retrieves the channel history with a custom context
-// see https://api.slack.com/methods/channels.history
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannelHistoryContext(ctx context.Context, channelID string, params HistoryParameters) (*History, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-	}
-	if params.Latest != DEFAULT_HISTORY_LATEST {
-		values.Add("latest", params.Latest)
-	}
-	if params.Oldest != DEFAULT_HISTORY_OLDEST {
-		values.Add("oldest", params.Oldest)
-	}
-	if params.Count != DEFAULT_HISTORY_COUNT {
-		values.Add("count", strconv.Itoa(params.Count))
-	}
-	if params.Inclusive != DEFAULT_HISTORY_INCLUSIVE {
-		if params.Inclusive {
-			values.Add("inclusive", "1")
-		} else {
-			values.Add("inclusive", "0")
-		}
-	}
-
-	if params.Unreads != DEFAULT_HISTORY_UNREADS {
-		if params.Unreads {
-			values.Add("unreads", "1")
-		} else {
-			values.Add("unreads", "0")
-		}
-	}
-
-	response, err := api.channelRequest(ctx, "channels.history", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.History, nil
-}
-
-// GetChannelInfo retrieves the given channel
-// see https://api.slack.com/methods/channels.info
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannelInfo(channelID string) (*Channel, error) {
-	return api.GetChannelInfoContext(context.Background(), channelID)
-}
-
-// GetChannelInfoContext retrieves the given channel with a custom context
-// see https://api.slack.com/methods/channels.info
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannelInfoContext(ctx context.Context, channelID string) (*Channel, error) {
-	values := url.Values{
-		"token":          {api.token},
-		"channel":        {channelID},
-		"include_locale": {strconv.FormatBool(true)},
-	}
-
-	response, err := api.channelRequest(ctx, "channels.info", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Channel, nil
-}
-
-// InviteUserToChannel invites a user to a given channel and returns a *Channel
-// see https://api.slack.com/methods/channels.invite
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) InviteUserToChannel(channelID, user string) (*Channel, error) {
-	return api.InviteUserToChannelContext(context.Background(), channelID, user)
-}
-
-// InviteUserToChannelContext invites a user to a given channel and returns a *Channel with a custom context
-// see https://api.slack.com/methods/channels.invite
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) InviteUserToChannelContext(ctx context.Context, channelID, user string) (*Channel, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-		"user":    {user},
-	}
-
-	response, err := api.channelRequest(ctx, "channels.invite", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Channel, nil
-}
-
-// JoinChannel joins the currently authenticated user to a channel
-// see https://api.slack.com/methods/channels.join
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) JoinChannel(channelName string) (*Channel, error) {
-	return api.JoinChannelContext(context.Background(), channelName)
-}
-
-// JoinChannelContext joins the currently authenticated user to a channel with a custom context
-// see https://api.slack.com/methods/channels.join
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) JoinChannelContext(ctx context.Context, channelName string) (*Channel, error) {
-	values := url.Values{
-		"token": {api.token},
-		"name":  {channelName},
-	}
-
-	response, err := api.channelRequest(ctx, "channels.join", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Channel, nil
-}
-
-// LeaveChannel makes the authenticated user leave the given channel
-// see https://api.slack.com/methods/channels.leave
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) LeaveChannel(channelID string) (bool, error) {
-	return api.LeaveChannelContext(context.Background(), channelID)
-}
-
-// LeaveChannelContext makes the authenticated user leave the given channel with a custom context
-// see https://api.slack.com/methods/channels.leave
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) LeaveChannelContext(ctx context.Context, channelID string) (bool, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-	}
-
-	response, err := api.channelRequest(ctx, "channels.leave", values)
-	if err != nil {
-		return false, err
-	}
-
-	return response.NotInChannel, nil
-}
-
-// KickUserFromChannel kicks a user from a given channel
-// see https://api.slack.com/methods/channels.kick
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) KickUserFromChannel(channelID, user string) error {
-	return api.KickUserFromChannelContext(context.Background(), channelID, user)
-}
-
-// KickUserFromChannelContext kicks a user from a given channel with a custom context
-// see https://api.slack.com/methods/channels.kick
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) KickUserFromChannelContext(ctx context.Context, channelID, user string) (err error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-		"user":    {user},
-	}
-
-	_, err = api.channelRequest(ctx, "channels.kick", values)
-	return err
-}
-
-func newChannelPagination(c *Client, options ...GetChannelsOption) (cp ChannelPagination) {
-	cp = ChannelPagination{
-		c:     c,
-		limit: 200, // per slack api documentation.
-	}
-
-	for _, opt := range options {
-		opt(&cp)
-	}
-
-	return cp
-}
-
-// ChannelPagination allows for paginating over the channels
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-type ChannelPagination struct {
-	Channels        []Channel
-	limit           int
-	excludeArchived bool
-	excludeMembers  bool
-	previousResp    *ResponseMetadata
-	c               *Client
-}
-
-// Done checks if the pagination has completed
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (ChannelPagination) Done(err error) bool {
-	return err == errPaginationComplete
-}
-
-// Failure checks if pagination failed.
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (t ChannelPagination) Failure(err error) error {
-	if t.Done(err) {
-		return nil
-	}
-
-	return err
-}
-
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (t ChannelPagination) Next(ctx context.Context) (_ ChannelPagination, err error) {
-	var (
-		resp *channelResponseFull
-	)
-
-	if t.c == nil || (t.previousResp != nil && t.previousResp.Cursor == "") {
-		return t, errPaginationComplete
-	}
-
-	t.previousResp = t.previousResp.initialize()
-
-	values := url.Values{
-		"limit":            {strconv.Itoa(t.limit)},
-		"exclude_archived": {strconv.FormatBool(t.excludeArchived)},
-		"exclude_members":  {strconv.FormatBool(t.excludeMembers)},
-		"token":            {t.c.token},
-		"cursor":           {t.previousResp.Cursor},
-	}
-
-	if resp, err = t.c.channelRequest(ctx, "channels.list", values); err != nil {
-		return t, err
-	}
-
-	t.c.Debugf("GetChannelsContext: got %d channels; metadata %v", len(resp.Channels), resp.Metadata)
-	t.Channels = resp.Channels
-	t.previousResp = &resp.Metadata
-
-	return t, nil
-}
-
-// GetChannelsPaginated fetches channels in a paginated fashion, see GetChannelsContext for usage.
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannelsPaginated(options ...GetChannelsOption) ChannelPagination {
-	return newChannelPagination(api, options...)
-}
-
-// GetChannels retrieves all the channels
-// see https://api.slack.com/methods/channels.list
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannels(excludeArchived bool, options ...GetChannelsOption) ([]Channel, error) {
-	return api.GetChannelsContext(context.Background(), excludeArchived, options...)
-}
-
-// GetChannelsContext retrieves all the channels with a custom context
-// see https://api.slack.com/methods/channels.list
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannelsContext(ctx context.Context, excludeArchived bool, options ...GetChannelsOption) (results []Channel, err error) {
-	if excludeArchived {
-		options = append(options, GetChannelsOptionExcludeArchived())
-	}
-
-	p := api.GetChannelsPaginated(options...)
-	for err == nil {
-		p, err = p.Next(ctx)
-		if err == nil {
-			results = append(results, p.Channels...)
-		} else if rateLimitedError, ok := err.(*RateLimitedError); ok {
-			select {
-			case <-ctx.Done():
-				err = ctx.Err()
-			case <-time.After(rateLimitedError.RetryAfter):
-				err = nil
-			}
-		}
-	}
-
-	return results, p.Failure(err)
-}
-
-// SetChannelReadMark sets the read mark of a given channel to a specific point
-// Clients should try to avoid making this call too often. When needing to mark a read position, a client should set a
-// timer before making the call. In this way, any further updates needed during the timeout will not generate extra calls
-// (just one per channel). This is useful for when reading scroll-back history, or following a busy live channel. A
-// timeout of 5 seconds is a good starting point. Be sure to flush these calls on shutdown/logout.
-// see https://api.slack.com/methods/channels.mark
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetChannelReadMark(channelID, ts string) error {
-	return api.SetChannelReadMarkContext(context.Background(), channelID, ts)
-}
-
-// SetChannelReadMarkContext sets the read mark of a given channel to a specific point with a custom context
-// For more details see SetChannelReadMark documentation
-// see https://api.slack.com/methods/channels.mark
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetChannelReadMarkContext(ctx context.Context, channelID, ts string) (err error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-		"ts":      {ts},
-	}
-
-	_, err = api.channelRequest(ctx, "channels.mark", values)
-	return err
-}
-
-// RenameChannel renames a given channel
-// see https://api.slack.com/methods/channels.rename
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) RenameChannel(channelID, name string) (*Channel, error) {
-	return api.RenameChannelContext(context.Background(), channelID, name)
-}
-
-// RenameChannelContext renames a given channel with a custom context
-// see https://api.slack.com/methods/channels.rename
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) RenameChannelContext(ctx context.Context, channelID, name string) (*Channel, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-		"name":    {name},
-	}
-
-	// XXX: the created entry in this call returns a string instead of a number
-	// so I may have to do some workaround to solve it.
-	response, err := api.channelRequest(ctx, "channels.rename", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Channel, nil
-}
-
-// SetChannelPurpose sets the channel purpose and returns the purpose that was successfully set
-// see https://api.slack.com/methods/channels.setPurpose
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetChannelPurpose(channelID, purpose string) (string, error) {
-	return api.SetChannelPurposeContext(context.Background(), channelID, purpose)
-}
-
-// SetChannelPurposeContext sets the channel purpose and returns the purpose that was successfully set with a custom context
-// see https://api.slack.com/methods/channels.setPurpose
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetChannelPurposeContext(ctx context.Context, channelID, purpose string) (string, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-		"purpose": {purpose},
-	}
-
-	response, err := api.channelRequest(ctx, "channels.setPurpose", values)
-	if err != nil {
-		return "", err
-	}
-	return response.Purpose, nil
-}
-
-// SetChannelTopic sets the channel topic and returns the topic that was successfully set
-// see https://api.slack.com/methods/channels.setTopic
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetChannelTopic(channelID, topic string) (string, error) {
-	return api.SetChannelTopicContext(context.Background(), channelID, topic)
-}
-
-// SetChannelTopicContext sets the channel topic and returns the topic that was successfully set with a custom context
-// see https://api.slack.com/methods/channels.setTopic
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetChannelTopicContext(ctx context.Context, channelID, topic string) (string, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channelID},
-		"topic":   {topic},
-	}
-
-	response, err := api.channelRequest(ctx, "channels.setTopic", values)
-	if err != nil {
-		return "", err
-	}
-	return response.Topic, nil
-}
-
-// GetChannelReplies gets an entire thread (a message plus all the messages in reply to it).
-// see https://api.slack.com/methods/channels.replies
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannelReplies(channelID, thread_ts string) ([]Message, error) {
-	return api.GetChannelRepliesContext(context.Background(), channelID, thread_ts)
-}
-
-// GetChannelRepliesContext gets an entire thread (a message plus all the messages in reply to it) with a custom context
-// see https://api.slack.com/methods/channels.replies
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetChannelRepliesContext(ctx context.Context, channelID, thread_ts string) ([]Message, error) {
-	values := url.Values{
-		"token":     {api.token},
-		"channel":   {channelID},
-		"thread_ts": {thread_ts},
-	}
-	response, err := api.channelRequest(ctx, "channels.replies", values)
-	if err != nil {
-		return nil, err
-	}
-	return response.History.Messages, nil
-}
diff --git a/vendor/github.com/slack-go/slack/chat.go b/vendor/github.com/slack-go/slack/chat.go
index f5b80346..2a1e452e 100644
--- a/vendor/github.com/slack-go/slack/chat.go
+++ b/vendor/github.com/slack-go/slack/chat.go
@@ -744,7 +744,6 @@ func (api *Client) GetPermalink(params *PermalinkParameters) (string, error) {
 // GetPermalinkContext returns the permalink for a message using a custom context.
 func (api *Client) GetPermalinkContext(ctx context.Context, params *PermalinkParameters) (string, error) {
 	values := url.Values{
-		"token":      {api.token},
 		"channel":    {params.Channel},
 		"message_ts": {params.Ts},
 	}
@@ -754,7 +753,7 @@ func (api *Client) GetPermalinkContext(ctx context.Context, params *PermalinkPar
 		Permalink string `json:"permalink"`
 		SlackResponse
 	}{}
-	err := api.getMethod(ctx, "chat.getPermalink", values, &response)
+	err := api.getMethod(ctx, "chat.getPermalink", api.token, values, &response)
 	if err != nil {
 		return "", err
 	}
diff --git a/vendor/github.com/slack-go/slack/conversation.go b/vendor/github.com/slack-go/slack/conversation.go
index 6fc4a083..17b6d8a4 100644
--- a/vendor/github.com/slack-go/slack/conversation.go
+++ b/vendor/github.com/slack-go/slack/conversation.go
@@ -455,7 +455,7 @@ func (api *Client) GetConversationRepliesContext(ctx context.Context, params *Ge
 
 type GetConversationsParameters struct {
 	Cursor          string
-	ExcludeArchived string
+	ExcludeArchived bool
 	Limit           int
 	Types           []string
 }
@@ -479,8 +479,8 @@ func (api *Client) GetConversationsContext(ctx context.Context, params *GetConve
 	if params.Types != nil {
 		values.Add("types", strings.Join(params.Types, ","))
 	}
-	if params.ExcludeArchived == "true" {
-		values.Add("exclude_archived", "true")
+	if params.ExcludeArchived {
+		values.Add("exclude_archived", strconv.FormatBool(params.ExcludeArchived))
 	}
 
 	response := struct {
diff --git a/vendor/github.com/slack-go/slack/files.go b/vendor/github.com/slack-go/slack/files.go
index 713038f0..3889fe1d 100644
--- a/vendor/github.com/slack-go/slack/files.go
+++ b/vendor/github.com/slack-go/slack/files.go
@@ -295,9 +295,7 @@ func (api *Client) UploadFileContext(ctx context.Context, params FileUploadParam
 		return nil, err
 	}
 	response := &fileResponseFull{}
-	values := url.Values{
-		"token": {api.token},
-	}
+	values := url.Values{}
 	if params.Filetype != "" {
 		values.Add("filetype", params.Filetype)
 	}
@@ -320,12 +318,12 @@ func (api *Client) UploadFileContext(ctx context.Context, params FileUploadParam
 		values.Add("content", params.Content)
 		err = api.postMethod(ctx, "files.upload", values, response)
 	} else if params.File != "" {
-		err = postLocalWithMultipartResponse(ctx, api.httpclient, api.endpoint+"files.upload", params.File, "file", values, response, api)
+		err = postLocalWithMultipartResponse(ctx, api.httpclient, api.endpoint+"files.upload", params.File, "file", api.token, values, response, api)
 	} else if params.Reader != nil {
 		if params.Filename == "" {
 			return nil, fmt.Errorf("files.upload: FileUploadParameters.Filename is mandatory when using FileUploadParameters.Reader")
 		}
-		err = postWithMultipartResponse(ctx, api.httpclient, api.endpoint+"files.upload", params.Filename, "file", values, params.Reader, response, api)
+		err = postWithMultipartResponse(ctx, api.httpclient, api.endpoint+"files.upload", params.Filename, "file", api.token, values, params.Reader, response, api)
 	}
 
 	if err != nil {
diff --git a/vendor/github.com/slack-go/slack/go.mod b/vendor/github.com/slack-go/slack/go.mod
index 32fc4b93..e93a8a4a 100644
--- a/vendor/github.com/slack-go/slack/go.mod
+++ b/vendor/github.com/slack-go/slack/go.mod
@@ -9,4 +9,4 @@ require (
 	github.com/stretchr/testify v1.2.2
 )
 
-go 1.13
+go 1.16
diff --git a/vendor/github.com/slack-go/slack/groups.go b/vendor/github.com/slack-go/slack/groups.go
index 4c5793dc..b77f909d 100644
--- a/vendor/github.com/slack-go/slack/groups.go
+++ b/vendor/github.com/slack-go/slack/groups.go
@@ -1,574 +1,7 @@
 package slack
 
-import (
-	"context"
-	"net/url"
-	"strconv"
-)
-
 // Group contains all the information for a group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
 type Group struct {
 	GroupConversation
 	IsGroup bool `json:"is_group"`
 }
-
-type groupResponseFull struct {
-	Group          Group   `json:"group"`
-	Groups         []Group `json:"groups"`
-	Purpose        string  `json:"purpose"`
-	Topic          string  `json:"topic"`
-	NotInGroup     bool    `json:"not_in_group"`
-	NoOp           bool    `json:"no_op"`
-	AlreadyClosed  bool    `json:"already_closed"`
-	AlreadyOpen    bool    `json:"already_open"`
-	AlreadyInGroup bool    `json:"already_in_group"`
-	Channel        Channel `json:"channel"`
-	History
-	SlackResponse
-}
-
-func (api *Client) groupRequest(ctx context.Context, path string, values url.Values) (*groupResponseFull, error) {
-	response := &groupResponseFull{}
-	err := api.postMethod(ctx, path, values, response)
-	if err != nil {
-		return nil, err
-	}
-
-	return response, response.Err()
-}
-
-// ArchiveGroup archives a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) ArchiveGroup(group string) error {
-	return api.ArchiveGroupContext(context.Background(), group)
-}
-
-// ArchiveGroupContext archives a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) ArchiveGroupContext(ctx context.Context, group string) error {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-	}
-
-	_, err := api.groupRequest(ctx, "groups.archive", values)
-	return err
-}
-
-// UnarchiveGroup unarchives a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) UnarchiveGroup(group string) error {
-	return api.UnarchiveGroupContext(context.Background(), group)
-}
-
-// UnarchiveGroupContext unarchives a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) UnarchiveGroupContext(ctx context.Context, group string) error {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-	}
-
-	_, err := api.groupRequest(ctx, "groups.unarchive", values)
-	return err
-}
-
-// CreateGroup creates a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) CreateGroup(group string) (*Group, error) {
-	return api.CreateGroupContext(context.Background(), group)
-}
-
-// CreateGroupContext creates a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) CreateGroupContext(ctx context.Context, group string) (*Group, error) {
-	values := url.Values{
-		"token": {api.token},
-		"name":  {group},
-	}
-
-	response, err := api.groupRequest(ctx, "groups.create", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Group, nil
-}
-
-// CreateChildGroup creates a new private group archiving the old one
-// This method takes an existing private group and performs the following steps:
-//   1. Renames the existing group (from "example" to "example-archived").
-//   2. Archives the existing group.
-//   3. Creates a new group with the name of the existing group.
-//   4. Adds all members of the existing group to the new group.
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) CreateChildGroup(group string) (*Group, error) {
-	return api.CreateChildGroupContext(context.Background(), group)
-}
-
-// CreateChildGroupContext creates a new private group archiving the old one with a custom context
-// For more information see CreateChildGroup
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) CreateChildGroupContext(ctx context.Context, group string) (*Group, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-	}
-
-	response, err := api.groupRequest(ctx, "groups.createChild", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Group, nil
-}
-
-// GetGroupHistory fetches all the history for a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetGroupHistory(group string, params HistoryParameters) (*History, error) {
-	return api.GetGroupHistoryContext(context.Background(), group, params)
-}
-
-// GetGroupHistoryContext fetches all the history for a private group with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetGroupHistoryContext(ctx context.Context, group string, params HistoryParameters) (*History, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-	}
-	if params.Latest != DEFAULT_HISTORY_LATEST {
-		values.Add("latest", params.Latest)
-	}
-	if params.Oldest != DEFAULT_HISTORY_OLDEST {
-		values.Add("oldest", params.Oldest)
-	}
-	if params.Count != DEFAULT_HISTORY_COUNT {
-		values.Add("count", strconv.Itoa(params.Count))
-	}
-	if params.Inclusive != DEFAULT_HISTORY_INCLUSIVE {
-		if params.Inclusive {
-			values.Add("inclusive", "1")
-		} else {
-			values.Add("inclusive", "0")
-		}
-	}
-	if params.Unreads != DEFAULT_HISTORY_UNREADS {
-		if params.Unreads {
-			values.Add("unreads", "1")
-		} else {
-			values.Add("unreads", "0")
-		}
-	}
-
-	response, err := api.groupRequest(ctx, "groups.history", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.History, nil
-}
-
-// InviteUserToGroup invites a specific user to a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) InviteUserToGroup(group, user string) (*Group, bool, error) {
-	return api.InviteUserToGroupContext(context.Background(), group, user)
-}
-
-// InviteUserToGroupContext invites a specific user to a private group with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) InviteUserToGroupContext(ctx context.Context, group, user string) (*Group, bool, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-		"user":    {user},
-	}
-
-	response, err := api.groupRequest(ctx, "groups.invite", values)
-	if err != nil {
-		return nil, false, err
-	}
-	return &response.Group, response.AlreadyInGroup, nil
-}
-
-// LeaveGroup makes authenticated user leave the group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) LeaveGroup(group string) error {
-	return api.LeaveGroupContext(context.Background(), group)
-}
-
-// LeaveGroupContext makes authenticated user leave the group with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) LeaveGroupContext(ctx context.Context, group string) (err error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-	}
-
-	_, err = api.groupRequest(ctx, "groups.leave", values)
-	return err
-}
-
-// KickUserFromGroup kicks a user from a group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) KickUserFromGroup(group, user string) error {
-	return api.KickUserFromGroupContext(context.Background(), group, user)
-}
-
-// KickUserFromGroupContext kicks a user from a group with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) KickUserFromGroupContext(ctx context.Context, group, user string) (err error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-		"user":    {user},
-	}
-
-	_, err = api.groupRequest(ctx, "groups.kick", values)
-	return err
-}
-
-// GetGroups retrieves all groups
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetGroups(excludeArchived bool) ([]Group, error) {
-	return api.GetGroupsContext(context.Background(), excludeArchived)
-}
-
-// GetGroupsContext retrieves all groups with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetGroupsContext(ctx context.Context, excludeArchived bool) ([]Group, error) {
-	values := url.Values{
-		"token": {api.token},
-	}
-	if excludeArchived {
-		values.Add("exclude_archived", "1")
-	}
-
-	response, err := api.groupRequest(ctx, "groups.list", values)
-	if err != nil {
-		return nil, err
-	}
-	return response.Groups, nil
-}
-
-// GetGroupInfo retrieves the given group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetGroupInfo(group string) (*Group, error) {
-	return api.GetGroupInfoContext(context.Background(), group)
-}
-
-// GetGroupInfoContext retrieves the given group with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetGroupInfoContext(ctx context.Context, group string) (*Group, error) {
-	values := url.Values{
-		"token":          {api.token},
-		"channel":        {group},
-		"include_locale": {strconv.FormatBool(true)},
-	}
-
-	response, err := api.groupRequest(ctx, "groups.info", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Group, nil
-}
-
-// SetGroupReadMark sets the read mark on a private group
-// Clients should try to avoid making this call too often. When needing to mark a read position, a client should set a
-// timer before making the call. In this way, any further updates needed during the timeout will not generate extra
-// calls (just one per channel). This is useful for when reading scroll-back history, or following a busy live
-// channel. A timeout of 5 seconds is a good starting point. Be sure to flush these calls on shutdown/logout.
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetGroupReadMark(group, ts string) error {
-	return api.SetGroupReadMarkContext(context.Background(), group, ts)
-}
-
-// SetGroupReadMarkContext sets the read mark on a private group with a custom context
-// For more details see SetGroupReadMark
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetGroupReadMarkContext(ctx context.Context, group, ts string) (err error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-		"ts":      {ts},
-	}
-
-	_, err = api.groupRequest(ctx, "groups.mark", values)
-	return err
-}
-
-// OpenGroup opens a private group
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) OpenGroup(group string) (bool, bool, error) {
-	return api.OpenGroupContext(context.Background(), group)
-}
-
-// OpenGroupContext opens a private group with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) OpenGroupContext(ctx context.Context, group string) (bool, bool, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-	}
-
-	response, err := api.groupRequest(ctx, "groups.open", values)
-	if err != nil {
-		return false, false, err
-	}
-	return response.NoOp, response.AlreadyOpen, nil
-}
-
-// RenameGroup renames a group
-// XXX: They return a channel, not a group. What is this crap? :(
-// Inconsistent api it seems.
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) RenameGroup(group, name string) (*Channel, error) {
-	return api.RenameGroupContext(context.Background(), group, name)
-}
-
-// RenameGroupContext renames a group with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) RenameGroupContext(ctx context.Context, group, name string) (*Channel, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-		"name":    {name},
-	}
-
-	// XXX: the created entry in this call returns a string instead of a number
-	// so I may have to do some workaround to solve it.
-	response, err := api.groupRequest(ctx, "groups.rename", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.Channel, nil
-}
-
-// SetGroupPurpose sets the group purpose
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetGroupPurpose(group, purpose string) (string, error) {
-	return api.SetGroupPurposeContext(context.Background(), group, purpose)
-}
-
-// SetGroupPurposeContext sets the group purpose with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetGroupPurposeContext(ctx context.Context, group, purpose string) (string, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-		"purpose": {purpose},
-	}
-
-	response, err := api.groupRequest(ctx, "groups.setPurpose", values)
-	if err != nil {
-		return "", err
-	}
-	return response.Purpose, nil
-}
-
-// SetGroupTopic sets the group topic
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetGroupTopic(group, topic string) (string, error) {
-	return api.SetGroupTopicContext(context.Background(), group, topic)
-}
-
-// SetGroupTopicContext sets the group topic with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) SetGroupTopicContext(ctx context.Context, group, topic string) (string, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {group},
-		"topic":   {topic},
-	}
-
-	response, err := api.groupRequest(ctx, "groups.setTopic", values)
-	if err != nil {
-		return "", err
-	}
-	return response.Topic, nil
-}
-
-// GetGroupReplies gets an entire thread (a message plus all the messages in reply to it).
-// see https://api.slack.com/methods/groups.replies
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetGroupReplies(channelID, thread_ts string) ([]Message, error) {
-	return api.GetGroupRepliesContext(context.Background(), channelID, thread_ts)
-}
-
-// GetGroupRepliesContext gets an entire thread (a message plus all the messages in reply to it) with a custom context
-// see https://api.slack.com/methods/groups.replies
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetGroupRepliesContext(ctx context.Context, channelID, thread_ts string) ([]Message, error) {
-	values := url.Values{
-		"token":     {api.token},
-		"channel":   {channelID},
-		"thread_ts": {thread_ts},
-	}
-	response, err := api.groupRequest(ctx, "groups.replies", values)
-	if err != nil {
-		return nil, err
-	}
-	return response.History.Messages, nil
-}
diff --git a/vendor/github.com/slack-go/slack/im.go b/vendor/github.com/slack-go/slack/im.go
index a884b295..7c4bc257 100644
--- a/vendor/github.com/slack-go/slack/im.go
+++ b/vendor/github.com/slack-go/slack/im.go
@@ -1,11 +1,5 @@
 package slack
 
-import (
-	"context"
-	"net/url"
-	"strconv"
-)
-
 type imChannel struct {
 	ID string `json:"id"`
 }
@@ -21,200 +15,7 @@ type imResponseFull struct {
 }
 
 // IM contains information related to the Direct Message channel
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
 type IM struct {
 	Conversation
 	IsUserDeleted bool `json:"is_user_deleted"`
 }
-
-func (api *Client) imRequest(ctx context.Context, path string, values url.Values) (*imResponseFull, error) {
-	response := &imResponseFull{}
-	err := api.postMethod(ctx, path, values, response)
-	if err != nil {
-		return nil, err
-	}
-
-	return response, response.Err()
-}
-
-// CloseIMChannel closes the direct message channel
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) CloseIMChannel(channel string) (bool, bool, error) {
-	return api.CloseIMChannelContext(context.Background(), channel)
-}
-
-// CloseIMChannelContext closes the direct message channel with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) CloseIMChannelContext(ctx context.Context, channel string) (bool, bool, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channel},
-	}
-
-	response, err := api.imRequest(ctx, "im.close", values)
-	if err != nil {
-		return false, false, err
-	}
-	return response.NoOp, response.AlreadyClosed, nil
-}
-
-// OpenIMChannel opens a direct message channel to the user provided as argument
-// Returns some status and the channel ID
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) OpenIMChannel(user string) (bool, bool, string, error) {
-	return api.OpenIMChannelContext(context.Background(), user)
-}
-
-// OpenIMChannelContext opens a direct message channel to the user provided as argument with a custom context
-// Returns some status and the channel ID
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) OpenIMChannelContext(ctx context.Context, user string) (bool, bool, string, error) {
-	values := url.Values{
-		"token": {api.token},
-		"user":  {user},
-	}
-
-	response, err := api.imRequest(ctx, "im.open", values)
-	if err != nil {
-		return false, false, "", err
-	}
-	return response.NoOp, response.AlreadyOpen, response.Channel.ID, nil
-}
-
-// MarkIMChannel sets the read mark of a direct message channel to a specific point
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) MarkIMChannel(channel, ts string) (err error) {
-	return api.MarkIMChannelContext(context.Background(), channel, ts)
-}
-
-// MarkIMChannelContext sets the read mark of a direct message channel to a specific point with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) MarkIMChannelContext(ctx context.Context, channel, ts string) error {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channel},
-		"ts":      {ts},
-	}
-
-	_, err := api.imRequest(ctx, "im.mark", values)
-	return err
-}
-
-// GetIMHistory retrieves the direct message channel history
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetIMHistory(channel string, params HistoryParameters) (*History, error) {
-	return api.GetIMHistoryContext(context.Background(), channel, params)
-}
-
-// GetIMHistoryContext retrieves the direct message channel history with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetIMHistoryContext(ctx context.Context, channel string, params HistoryParameters) (*History, error) {
-	values := url.Values{
-		"token":   {api.token},
-		"channel": {channel},
-	}
-	if params.Latest != DEFAULT_HISTORY_LATEST {
-		values.Add("latest", params.Latest)
-	}
-	if params.Oldest != DEFAULT_HISTORY_OLDEST {
-		values.Add("oldest", params.Oldest)
-	}
-	if params.Count != DEFAULT_HISTORY_COUNT {
-		values.Add("count", strconv.Itoa(params.Count))
-	}
-	if params.Inclusive != DEFAULT_HISTORY_INCLUSIVE {
-		if params.Inclusive {
-			values.Add("inclusive", "1")
-		} else {
-			values.Add("inclusive", "0")
-		}
-	}
-	if params.Unreads != DEFAULT_HISTORY_UNREADS {
-		if params.Unreads {
-			values.Add("unreads", "1")
-		} else {
-			values.Add("unreads", "0")
-		}
-	}
-
-	response, err := api.imRequest(ctx, "im.history", values)
-	if err != nil {
-		return nil, err
-	}
-	return &response.History, nil
-}
-
-// GetIMChannels returns the list of direct message channels
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetIMChannels() ([]IM, error) {
-	return api.GetIMChannelsContext(context.Background())
-}
-
-// GetIMChannelsContext returns the list of direct message channels with a custom context
-//
-// Deprecated: channels.*, groups.* im.* and mpim.* methods will be deprecated in the next version.
-// In Slack, these API are no longer available for  newly Apps created after June 10th, 2020.
-// Also, existing applications will not be able to use these APIs after February 24th, 2021.
-//
-// See also: https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api
-func (api *Client) GetIMChannelsContext(ctx context.Context) ([]IM, error) {
-	values := url.Values{
-		"token": {api.token},
-	}
-
-	response, err := api.imRequest(ctx, "im.list", values)
-	if err != nil {
-		return nil, err
-	}
-	return response.IMs, nil
-}
diff --git a/vendor/github.com/slack-go/slack/info.go b/vendor/github.com/slack-go/slack/info.go
index ec706240..16fa667b 100644
--- a/vendor/github.com/slack-go/slack/info.go
+++ b/vendor/github.com/slack-go/slack/info.go
@@ -321,10 +321,9 @@ type UserPrefs struct {
 }
 
 func (api *Client) GetUserPrefs() (*UserPrefsCarrier, error) {
-	values := url.Values{"token": {api.token}}
 	response := UserPrefsCarrier{}
 
-	err := api.getMethod(context.Background(), "users.prefs.get", values, &response)
+	err := api.getMethod(context.Background(), "users.prefs.get", api.token, url.Values{}, &response)
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/github.com/slack-go/slack/interactions.go b/vendor/github.com/slack-go/slack/interactions.go
index 2515e290..60d74704 100644
--- a/vendor/github.com/slack-go/slack/interactions.go
+++ b/vendor/github.com/slack-go/slack/interactions.go
@@ -9,11 +9,11 @@ import (
 type InteractionType string
 
 // ActionType type represents the type of action (attachment, block, etc.)
-type actionType string
+type ActionType string
 
 // action is an interface that should be implemented by all callback action types
 type action interface {
-	actionType() actionType
+	actionType() ActionType
 }
 
 // Types of interactions that can be received.
diff --git a/vendor/github.com/slack-go/slack/misc.go b/vendor/github.com/slack-go/slack/misc.go
index 821bda86..8c50305b 100644
--- a/vendor/github.com/slack-go/slack/misc.go
+++ b/vendor/github.com/slack-go/slack/misc.go
@@ -135,7 +135,7 @@ func parseResponseBody(body io.ReadCloser, intf interface{}, d Debug) error {
 	return json.Unmarshal(response, intf)
 }
 
-func postLocalWithMultipartResponse(ctx context.Context, client httpClient, method, fpath, fieldname string, values url.Values, intf interface{}, d Debug) error {
+func postLocalWithMultipartResponse(ctx context.Context, client httpClient, method, fpath, fieldname, token string, values url.Values, intf interface{}, d Debug) error {
 	fullpath, err := filepath.Abs(fpath)
 	if err != nil {
 		return err
@@ -146,10 +146,10 @@ func postLocalWithMultipartResponse(ctx context.Context, client httpClient, meth
 	}
 	defer file.Close()
 
-	return postWithMultipartResponse(ctx, client, method, filepath.Base(fpath), fieldname, values, file, intf, d)
+	return postWithMultipartResponse(ctx, client, method, filepath.Base(fpath), fieldname, token, values, file, intf, d)
 }
 
-func postWithMultipartResponse(ctx context.Context, client httpClient, path, name, fieldname string, values url.Values, r io.Reader, intf interface{}, d Debug) error {
+func postWithMultipartResponse(ctx context.Context, client httpClient, path, name, fieldname, token string, values url.Values, r io.Reader, intf interface{}, d Debug) error {
 	pipeReader, pipeWriter := io.Pipe()
 	wr := multipart.NewWriter(pipeWriter)
 	errc := make(chan error)
@@ -175,6 +175,7 @@ func postWithMultipartResponse(ctx context.Context, client httpClient, path, nam
 		return err
 	}
 	req.Header.Add("Content-Type", wr.FormDataContentType())
+	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
 	req = req.WithContext(ctx)
 	resp, err := client.Do(req)
 
@@ -236,12 +237,14 @@ func postForm(ctx context.Context, client httpClient, endpoint string, values ur
 	return doPost(ctx, client, req, newJSONParser(intf), d)
 }
 
-func getResource(ctx context.Context, client httpClient, endpoint string, values url.Values, intf interface{}, d Debug) error {
+func getResource(ctx context.Context, client httpClient, endpoint, token string, values url.Values, intf interface{}, d Debug) error {
 	req, err := http.NewRequest("GET", endpoint, nil)
 	if err != nil {
 		return err
 	}
 	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
+
 	req.URL.RawQuery = values.Encode()
 
 	return doPost(ctx, client, req, newJSONParser(intf), d)
diff --git a/vendor/github.com/slack-go/slack/slack.go b/vendor/github.com/slack-go/slack/slack.go
index 14367365..ea3aab6d 100644
--- a/vendor/github.com/slack-go/slack/slack.go
+++ b/vendor/github.com/slack-go/slack/slack.go
@@ -157,6 +157,6 @@ func (api *Client) postMethod(ctx context.Context, path string, values url.Value
 }
 
 // get a slack web method.
-func (api *Client) getMethod(ctx context.Context, path string, values url.Values, intf interface{}) error {
-	return getResource(ctx, api.httpclient, api.endpoint+path, values, intf, api)
+func (api *Client) getMethod(ctx context.Context, path string, token string, values url.Values, intf interface{}) error {
+	return getResource(ctx, api.httpclient, api.endpoint+path, token, values, intf, api)
 }
diff --git a/vendor/github.com/slack-go/slack/users.go b/vendor/github.com/slack-go/slack/users.go
index 82657d76..3696e37f 100644
--- a/vendor/github.com/slack-go/slack/users.go
+++ b/vendor/github.com/slack-go/slack/users.go
@@ -482,7 +482,7 @@ func (api *Client) SetUserPhotoContext(ctx context.Context, image string, params
 		values.Add("crop_w", strconv.Itoa(params.CropW))
 	}
 
-	err = postLocalWithMultipartResponse(ctx, api.httpclient, api.endpoint+"users.setPhoto", image, "image", values, response, api)
+	err = postLocalWithMultipartResponse(ctx, api.httpclient, api.endpoint+"users.setPhoto", image, "image", api.token, values, response, api)
 	if err != nil {
 		return err
 	}
@@ -632,9 +632,15 @@ func (api *Client) UnsetUserCustomStatusContext(ctx context.Context) error {
 	return api.SetUserCustomStatusContext(ctx, "", "", 0)
 }
 
+// GetUserProfileParameters are the parameters required to get user profile
+type GetUserProfileParameters struct {
+	UserID        string
+	IncludeLabels bool
+}
+
 // GetUserProfile retrieves a user's profile information.
-func (api *Client) GetUserProfile(userID string, includeLabels bool) (*UserProfile, error) {
-	return api.GetUserProfileContext(context.Background(), userID, includeLabels)
+func (api *Client) GetUserProfile(params *GetUserProfileParameters) (*UserProfile, error) {
+	return api.GetUserProfileContext(context.Background(), params)
 }
 
 type getUserProfileResponse struct {
@@ -643,13 +649,14 @@ type getUserProfileResponse struct {
 }
 
 // GetUserProfileContext retrieves a user's profile information with a context.
-func (api *Client) GetUserProfileContext(ctx context.Context, userID string, includeLabels bool) (*UserProfile, error) {
+func (api *Client) GetUserProfileContext(ctx context.Context, params *GetUserProfileParameters) (*UserProfile, error) {
 	values := url.Values{"token": {api.token}}
-	if includeLabels {
-		values.Add("include_labels", "true")
+
+	if params.UserID != "" {
+		values.Add("user", params.UserID)
 	}
-	if userID != "" {
-		values.Add("user", userID)
+	if params.IncludeLabels {
+		values.Add("include_labels", "true")
 	}
 	resp := &getUserProfileResponse{}