[zimeg]

Changelog

N/A, this changes release automation only.

Summary

This pull request sets errors: true on the release announcement step, so a webhook that rejects the post fails the notify job instead of logging an error and staying green.

• Suggested by @mwbrooks in slack-health-score#237. A missing secret already failed the step, but with the action's default errors: false a rejected post (say, a revoked webhook) only logged an error.
• The notify job is separate from the publish, so a red notify job doesn't affect the release. Re-run it with gh run rerun <id> --failed.
• The split-notify PRs (bolt-js#3148, node-slack-sdk#2853, slack-github-action#708, slack-skills-plugin#220) set it too, so every repo works the same way.

         uses: slackapi/slack-github-action@dcb1066f776dd043e64d0e8ba94ca15cc7e1875d # v4.0.0
         with:
+          errors: true
           webhook: ${{ secrets.SLACK_RELEASE_ANNOUNCEMENTS_WEBHOOK_URL }}

Testing

• On the next release, confirm the announcement posts and the notify job stays green.

Notes

zizmor reports two high findings in release.yml (cache-poisoning, github-app). Both are already on main in other jobs, and this change doesn't touch them.

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.

🤖 Generated with Claude Code

[mwbrooks]

✅ Thanks @zimeg! A revoked webhook now turns the notify job red instead of passing quietly. Heads up that #788 has the same change, so one of them can close.