Dependabot flags PRs to automerge

.github/workflows/dependabot-auto-merge.yml

@@ -0,0 +1,19 @@
+name: Dependabot auto-merge
+on: pull_request_target
+permissions:
+  pull-requests: write
+  contents: write
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.pull_request.user.login == 'dependabot[bot]' }}
+    steps:
+      - name: Fetch metadata
+        uses: dependabot/fetch-metadata@v1.3.0
+
+      # Enable the automerge using a PAT so the merge commits trigger workflows
+      - name: Auto-merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.DEPENDABOT_AUTOBUILD }}