Bump hmarr/auto-approve-action from 2.2.1 to 2.4.0

Bumps [hmarr/auto-approve-action](https://github.com/hmarr/auto-approve-action) from 2.2.1 to 2.4.0.
- [Release notes](https://github.com/hmarr/auto-approve-action/releases)
- [Commits](hmarr/auto-approve-action@24ec4c8...9ae347e)

---
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>

.github/workflows/automerge.yml

@@ -54,6 +54,6 @@ jobs:
       # auto-approve-action requires write on pull-requests
       pull-requests: write
     steps:
-      - uses: hmarr/auto-approve-action@24ec4c8cc344fe1cdde70ff37e55ace9e848a1d8
+      - uses: hmarr/auto-approve-action@9ae347e9f84a25da76c915a406cb17cfece1716d
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"