chore(deps): bump slackapi/slack-github-action from 3.0.2 to 3.0.3 (#7761)

Bumps [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Changelog](https://github.com/slackapi/slack-github-action/blob/main/CHANGELOG.md)
- [Commits](slackapi/slack-github-action@v3.0.2...v3.0.3)

---
updated-dependencies:
- dependency-name: slackapi/slack-github-action
  dependency-version: 3.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/slack-message-broker.yml

@@ -163,7 +163,7 @@ jobs:
 
 
       - name: Notify Slack
-        uses: slackapi/slack-github-action@v3.0.2
+        uses: slackapi/slack-github-action@v3.0.3
         if: ${{ steps.prepare-slack-message.outputs.shouldSendMessage == 'true' }}
         with:
           method: chat.postMessage