ci: send release announcements on publish

[zimeg]

Summary

This PR sends release announcements to Slack on publish 🚀 ✨

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 378ad60

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.86%. Comparing base (0b9c067) to head (378ad60).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #594   +/-   ##
=======================================
  Coverage   99.86%   99.86%           
=======================================
  Files           7        7           
  Lines         718      718           
=======================================
  Hits          717      717           
  Misses          1        1           

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[zimeg]

🔮 A message here for readers and reviewers!

[zimeg]

Suggested change

	uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95 # v3.0.1
	uses: ./.

🔬 note: We might consider using the released build but let's test the production release instead for now!