⬆️ Bump pascalgn/automerge-action from v0.12.0 to v0.13.0

Bumps [pascalgn/automerge-action](https://github.com/pascalgn/automerge-action) from v0.12.0 to v0.13.0.
- [Release notes](https://github.com/pascalgn/automerge-action/releases)
- [Commits](pascalgn/automerge-action@v0.12.0...c6f2699)

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

.github/workflows/automerge.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Automerge
-        uses: pascalgn/automerge-action@v0.12.0
+        uses: pascalgn/automerge-action@v0.13.0
         env:
           GITHUB_TOKEN: "${{ secrets.GH_PAT }}"
           MERGE_LABELS: "merge,!work in progress,!wip"