Create 99-auto-merge.yml (#142)

Author: mfranzke

.github/workflows/99-auto-merge.yml

@@ -0,0 +1,28 @@
+---
+name: Dependabot auto-merge
+on:
+  workflow_call:
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-24.04 # Use Ubuntu 24.04 explicitly
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - name: ⏬ Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v2
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: ✔ Approve a PR
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+
+      - name: 🤖 Enable auto-merge for Dependabot PRs
+        if: ${{steps.metadata.outputs.update-type == 'version-update:semver-patch'}}
+        run: gh pr merge --auto --squash "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}