Merge pull request #4982 from mozilla/dependabot/github_actions/slackapi/slack-github-action-1.27.0

Bump slackapi/slack-github-action from 1.26.0 to 1.27.0

.github/workflows/playwright.yml

@@ -79,7 +79,7 @@ jobs:
           retention-days: 5
       - name: Send GitHub Action trigger data to Slack workflow
         id: slack
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v1.27.0
         if: failure()
         with:
           # For posting a rich message using Block Kit