Create onpr_automerge.yaml

.github/workflows/onpr_automerge.yaml

@@ -0,0 +1,20 @@
+name: 🤖 Enable auto merge
+
+on:
+  pull_request_target:
+    branches: [release]
+    # We're using labeled here because we don't want to enable auto merge for every PR against release.
+    # Just the ones created by the cherry pick action.
+    types: [labeled]
+
+jobs:
+  enable-auto-merge:
+    name: 🤖 Auto merge release PR
+    runs-on: ubuntu-latest
+    if: contains(github.event.pull_request.labels.*.name, 'auto-merge')
+    steps:
+      - name: Enable auto-merge
+        uses: reitermarkus/automerge@v2.1.2
+        with:
+          token: ${{ secrets.Auto_Merge }}
+          merge-method: squash