chore: add auto merge workflow

Author: iamralch

.github/workflows/merge.yml

@@ -0,0 +1,29 @@
+name: Auto Merge
+
+on:
+  pull_request:
+
+permissions: write-all
+
+jobs:
+  automerge:
+    if: ${{ github.actor == 'dependabot[bot]' || github.actor == 'github-actions[bot]' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: automerge
+        uses: actions/github-script@v9.0.0
+        with:
+          script: |
+            github.rest.pulls.createReview({
+              owner: context.payload.repository.owner.login,
+              repo: context.payload.repository.name,
+              pull_number: context.payload.pull_request.number,
+              event: 'APPROVE'
+            })
+            github.rest.pulls.merge({
+              owner: context.payload.repository.owner.login,
+              repo: context.payload.repository.name,
+              pull_number: context.payload.pull_request.number,
+              merge_method: "rebase",
+            })
+          github-token: ${{ github.token }}