Enable Dependabot auto-merge for minor/patch updates

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

@@ -0,0 +1,19 @@
+name: 🤖 Dependabot auto-merge
+on: pull_request
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - id: metadata
+        uses: dependabot/fetch-metadata@v1
+      - if: contains(fromJSON('["version-update:semver-minor", "version-update:semver-patch"]'), steps.metadata.outputs.update-type)
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}