Switch from Dependabot auto-merge action to gh command

Enabling GitHub merge queues broke the current Dependabot auto-merge integration. To fix this, switch to the example pipeline code shown in the official Dependabot documentation.
CodeIntelligenceTesting · Feb 15, 2023 · 845b194 · 845b194
1 parent a54ce8f
commit 845b194
Showing 1 changed file with 13 additions and 4 deletions.
diff --git a/.github/workflows/run-all-tests.yaml b/.github/workflows/run-all-tests.yaml
@@ -84,9 +84,18 @@ jobs:
       pull-requests: write
       contents: write
     runs-on: ubuntu-20.04
+    if: ${{ github.actor == 'dependabot[bot]' }}
     steps:
-      - uses: fastify/github-action-merge-dependabot@v3.0.0
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.1.1
         with:
-          target: minor
-          merge-method: rebase
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Enable auto-merge for Dependabot PRs
+        if:
+          ${{steps.metadata.outputs.update-type ==
+          'version-update:semver-patch'}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}