Bump pascalgn/automerge-action from 0.16.3 to 0.16.4

Bumps [pascalgn/automerge-action](https://github.com/pascalgn/automerge-action) from 0.16.3 to 0.16.4.
- [Release notes](https://github.com/pascalgn/automerge-action/releases)
- [Commits](pascalgn/automerge-action@v0.16.3...v0.16.4)

---
updated-dependencies:
- dependency-name: pascalgn/automerge-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/merge.yml

@@ -18,7 +18,7 @@ jobs:
           labels: merge-requested
 
       - name: Automerge
-        uses: pascalgn/[email protected].3
+        uses: pascalgn/[email protected].4
         env:
           GITHUB_TOKEN: "${{ secrets.CI_TOKEN }}"
           MERGE_LABELS: "merge-requested,!hold"