add auto merge github action

auto merge pull requests when they pass ci when applying automerge label to speedup workflow

Author: csi-lk

.github/workflows/auto-merge.yml

@@ -0,0 +1,28 @@
+name: Auto Merge PR
+on:
+  pull_request:
+    types:
+      - labeled
+      - unlabeled
+      - synchronize
+      - opened
+      - edited
+      - ready_for_review
+      - reopened
+      - unlocked
+  pull_request_review:
+    types:
+      - submitted
+  status: {}
+jobs:
+  automerge:
+    name: Auto Merge (rebase)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Merge pull request
+        uses: pascalgn/[email protected]
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          LABELS: "!wip"
+          AUTOMERGE: "automerge"
+          MERGE_METHOD: "rebase"