chore(deps): update module slack-go/slack to v0.8.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/slack-go/slack	require	minor	v0.7.2 -> v0.8.0

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Release Notes

slack-go/slack

### [`v0.8.0`](https://togithub.com/slack-go/slack/releases/v0.8.0) [Compare Source](https://togithub.com/slack-go/slack/compare/v0.7.4...v0.8.0) Thank you for all the contributions! ##### Fixes - Fix button style defenition and add test for that [#​873](https://togithub.com/slack-go/slack/issues/873) by [@​sryoya](https://togithub.com/sryoya) - Convert Header block correctly [#​887](https://togithub.com/slack-go/slack/issues/887) by [@​takanabe](https://togithub.com/takanabe) - Add missing `Image512` field in `UserProfile` [#​875](https://togithub.com/slack-go/slack/issues/875) by [@​p1ass](https://togithub.com/p1ass) ##### Features - Socket Mode Support [#​885](https://togithub.com/slack-go/slack/issues/885) by [@​mumoshu](https://togithub.com/mumoshu) - Adding apps.uninstall method [#​879](https://togithub.com/slack-go/slack/issues/879) by [@​gsavit](https://togithub.com/gsavit) - Added timepicker form block element [#​870](https://togithub.com/slack-go/slack/issues/870) by [@​jc21](https://togithub.com/jc21) - Allow message unfurling with auth URL [#​882](https://togithub.com/slack-go/slack/issues/882) by [@​zerok](https://togithub.com/zerok) ##### Misc - remove .gometalinter.json [#​869](https://togithub.com/slack-go/slack/issues/869) by [@​suzuki-shunsuke](https://togithub.com/suzuki-shunsuke) ### [`v0.7.4`](https://togithub.com/slack-go/slack/releases/v0.7.4) [Compare Source](https://togithub.com/slack-go/slack/compare/v0.7.3...v0.7.4) Thank you for all the contributions! ##### Fixes - Fix verification of requests from Slack in example code [#​863](https://togithub.com/slack-go/slack/issues/863) by [@​kanata2](https://togithub.com/kanata2) - Fix test for conversations.mark [#​866](https://togithub.com/slack-go/slack/issues/866) by [@​kanata2](https://togithub.com/kanata2) - Remove the unnecessary parameter from SetUserRealName and update optional param handling in profile setting [#​868](https://togithub.com/slack-go/slack/issues/868) by [@​sryoya](https://togithub.com/sryoya) ##### Features - [Feat] conversations.mark [#​761](https://togithub.com/slack-go/slack/issues/761) by [@​ramikalai](https://togithub.com/ramikalai) ##### Improvement - Implement an error-comparing method to errorsx String [#​841](https://togithub.com/slack-go/slack/issues/841) by [@​sryoya](https://togithub.com/sryoya) - Avoid returning correct signature [#​862](https://togithub.com/slack-go/slack/issues/862) by [@​tyrannosaurus-becks](https://togithub.com/tyrannosaurus-becks) ##### Misc - Add issue templates [#​864](https://togithub.com/slack-go/slack/issues/864) by [@​kanata2](https://togithub.com/kanata2) ### [`v0.7.3`](https://togithub.com/slack-go/slack/releases/v0.7.3) [Compare Source](https://togithub.com/slack-go/slack/compare/v0.7.2...v0.7.3) Thank you for all the contributions! ##### Fixes - Resolve: Revert changes to json tags in Attachment's Text field [#​788](https://togithub.com/slack-go/slack/issues/788) by [@​prgres](https://togithub.com/prgres) - Use custom ctx on SetUserCustomStatusContext [#​830](https://togithub.com/slack-go/slack/issues/830) by [@​GLOFonseca](https://togithub.com/GLOFonseca) - reminders time field fix [#​843](https://togithub.com/slack-go/slack/issues/843) by [@​KarolisKl](https://togithub.com/KarolisKl) - Fix unintended json marshalling error [#​854](https://togithub.com/slack-go/slack/issues/854) by [@​kanata2](https://togithub.com/kanata2) ##### Improvements - Add test for EscapeMessage function in slack [#​833](https://togithub.com/slack-go/slack/issues/833) by [@​sryoya](https://togithub.com/sryoya) - add missing result evaluation in bot test [#​842](https://togithub.com/slack-go/slack/issues/842) by [@​sryoya](https://togithub.com/sryoya) - Add conversations.list to the slacktest server [#​853](https://togithub.com/slack-go/slack/issues/853) by [@​hobbeswalsh](https://togithub.com/hobbeswalsh) - adds support for listing files hidden by the free tier file limit [#​846](https://togithub.com/slack-go/slack/issues/846) by [@​rk295](https://togithub.com/rk295) ##### Miscs - Add deprecation comments to channels._, groups._, im.\* [#​815](https://togithub.com/slack-go/slack/issues/815) by [@​kanata2](https://togithub.com/kanata2) - see also: - Use golangci-lint and GitHub Actions [#​840](https://togithub.com/slack-go/slack/issues/840) by [@​kanata2](https://togithub.com/kanata2) - Remove configuration for Travis CI [#​855](https://togithub.com/slack-go/slack/issues/855) by [@​kanata2](https://togithub.com/kanata2)

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