Update auto sync

.github/workflows/approve-sync-files.yml

@@ -18,14 +18,16 @@ jobs:
     if: contains(github.event.pull_request.title, 'Synced file(s)') && github.actor == 'couchoud-t' && github.event.pull_request.base.ref == github.event.repository.default_branch
     runs-on: ["ubuntu-latest", "${{ inputs.runs-on }}"]
     steps:
-      - name: Pull Request approval
+      - name: Approve Pull Request
         uses: hmarr/auto-approve-action@v4.0.0
         with:
           github-token: "${{ secrets.sync-token }}"
-      - name: Pull Request merge
-        uses: KeisukeYamashita/auto-pull-request-merge@v1.0.6
-        with:
-          token: "${{ secrets.sync-token }}"
-          strategy: squash
-          intervalSeconds: 60
-          timeoutSeconds: 600
+      - name: Merge Pull Request
+        uses: pascalgn/automerge-action@v0.16.4
+        env:
+        GITHUB_TOKEN: "${{ secrets.sync-token }}"
+        PULL_REQUEST: "${{ github.event.number }}"
+        MERGE_LABELS: sync
+        MERGE_METHOD: squash
+        MERGE_ERROR_FAIL: true
+        MERGE_READY_STATE: "clean,has_hooks,unknown,unstable,blocked"