Bump github.com/slack-go/slack from v0.27.0 to v0.28.0

[dghubble-renovate]

This PR contains the following updates:

Package	Type	Update	Change	Pending
github.com/slack-go/slack	require	minor	v0.27.0 → v0.28.0	v0.29.0

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Release Notes

slack-go/slack (github.com/slack-go/slack)

v0.28.0

Compare Source

Added

• Channels field to share an uploaded file with multiple conversations by @​kenta-ja8 in #​1579
• Support for the container block by @​jlhawn in #​1574
• Full message object from chat.postMessage responses by @​rustycl0ck in #​1572

Fixed

• Correct typos in comments and debug strings by @​maxtaran2010 in #​1570

Other

• chore(deps): bump golangci/golangci-lint-action from 9.2.1 to 9.3.0 by @​dependabot[bot] in #​1569
• chore(deps): bump actions/stale from 10.3.0 to 10.4.0 by @​dependabot[bot] in #​1573
• chore(deps): bump actions/setup-go from 6 to 7 by @​dependabot[bot] in #​1576
• chore(deps): bump actions/stale from 10.4.0 to 11.0.0 by @​dependabot[bot] in #​1578

New Contributors

• @​maxtaran2010 made their first contribution in #​1570
• @​kenta-ja8 made their first contribution in #​1579
• @​jlhawn made their first contribution in #​1574
• @​rustycl0ck made their first contribution in #​1572

Full Changelog: slack-go/slack@v0.27.0...v0.28.0

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