Bump slackapi/slack-github-action from 2.1.1 to 3.0.1 (#4789)

Bumps [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action) from 2.1.1 to 3.0.1.
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Commits](slackapi/slack-github-action@91efab1...af78098)

---
updated-dependencies:
- dependency-name: slackapi/slack-github-action
  dependency-version: 3.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/preflight.yml

@@ -71,7 +71,7 @@ jobs:
           ./scripts/preflight.sh -r "${{ github.ref }}" -g "${{ matrix.group }}" -o $GITHUB_OUTPUT
       - name: Post failure to slack
         if: ${{ github.ref == 'refs/heads/master' && failure() }}
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a
+        uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95
         with:
           webhook: ${{ secrets.PREFLIGHT_SLACK_WEBHOOK_URL }}
           webhook-type: incoming-webhook

.github/workflows/preflight_cleanup.yml

@@ -33,7 +33,7 @@ jobs:
           go run ./scripts/clean-up-preflight-apps
       - name: Post failure to slack
         if: ${{ github.ref == 'refs/heads/master' && failure() }}
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a
+        uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95
         with:
           webhook: ${{ secrets.PREFLIGHT_SLACK_WEBHOOK_URL }}
           webhook-type: incoming-webhook