Added automerge workflow

Author: distantcam

.github/workflows/merge.yml

@@ -0,0 +1,23 @@
+name: 🤖 Dependabot auto-merge
+on: pull_request
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  merge:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.user.login == 'dependabot[bot]' && github.repository == 'distantcam/autoctor'
+    steps:
+      - name: 📡 Dependabot metadata
+        id: dependabot-metadata
+        uses: dependabot/fetch-metadata@v2
+      - name: ✔️ Merge PR
+        if: |
+          steps.dependabot-metadata.outputs.dependency-group == 'tunit'
+          && steps.dependabot-metadata.outputs.update-type == 'version-update:semver-patch'
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}