Bump hmarr/auto-approve-action from 2.0.0 to 2.2.1 (#755)

Bumps [hmarr/auto-approve-action](https://github.com/hmarr/auto-approve-action) from 2.0.0 to 2.2.1.
- [Release notes](https://github.com/hmarr/auto-approve-action/releases)
- [Commits](https://github.com/hmarr/auto-approve-action/compare/v2.0.0...v2.2.1)

---
updated-dependencies:
- dependency-name: hmarr/auto-approve-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/auto-merge-dependabot.yml

@@ -12,7 +12,7 @@ jobs:
       runs-on: ubuntu-latest
       steps:
         - name: Auto approve
-          uses: hmarr/auto-approve-action@v2.0.0
+          uses: hmarr/auto-approve-action@v2.2.1
           if: github.actor == 'dependabot[bot]'
           with:
             github-token: ${{ secrets.GITHUB_TOKEN }}