Bump pascalgn/automerge-action from v0.12.0 to v0.13.0 (#185)

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] <[email protected]>

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

Author: dependabot[bot]

.github/workflows/automerge.yml

@@ -28,4 +28,4 @@ jobs:
           MERGE_COMMIT_MESSAGE: "pull-request-description"
           MERGE_FORKS: "false"
         if: env.GITHUB_TOKEN != null
-        uses: "pascalgn/automerge-action@v0.12.0"
+        uses: "pascalgn/automerge-action@v0.13.0"