ci(github): create auto-approve.yml

Author: remarkablemark

.github/workflows/auto-approve.yml

@@ -0,0 +1,18 @@
+name: auto-approve
+on: pull_request
+
+permissions: read-all
+
+jobs:
+  auto-approve:
+    if: github.actor == 'dependabot[bot]'
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+
+    steps:
+      - name: Approve PR
+        run: gh pr review --approve ${{ github.event.pull_request.html_url }}
+        continue-on-error: true
+        env:
+          GH_TOKEN: ${{ github.token }}