Merge pull request #6575 from mozilla/dependabot/github_actions/slackapi/slack-github-action-3.0.1

chore(deps): bump slackapi/slack-github-action from 2.1.1 to 3.0.1

Author: codemist

.github/workflows/functional_tests_cron.yml

@@ -82,7 +82,7 @@ jobs:
 
       - name: Send GitHub Action trigger data to Slack workflow
         id: slack
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1
+        uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95 # v3.0.1
         if: failure() && github.ref == 'refs/heads/main'
         with:
           webhook: ${{ secrets.SLACK_GHA_FAILURES_WEBHOOK }}