chore(deps): bump hmarr/auto-approve-action from 2 to 4 (#346)

Bumps [hmarr/auto-approve-action](https://github.com/hmarr/auto-approve-action) from 2 to 4.
- [Release notes](https://github.com/hmarr/auto-approve-action/releases)
- [Commits](https://github.com/hmarr/auto-approve-action/compare/v2...v4)

---
updated-dependencies:
- dependency-name: hmarr/auto-approve-action
  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>

.github/workflows/auto-approve.yml

@@ -7,7 +7,7 @@ jobs:
   auto-approve:
     runs-on: ubuntu-latest
     steps:
-    - uses: hmarr/auto-approve-action@v2
+    - uses: hmarr/auto-approve-action@v4
       if: github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]'
       with:
         github-token: "${{ secrets.GITHUB_TOKEN }}"