Rewrite Dependeabot auto-merge

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

@@ -1,14 +1,28 @@
-name: dependabot-auto-merge
+name: Dependabot auto-approve and auto-merge
+on: pull_request
 
-on:
-  pull_request:
+permissions:
+  contents: write
+  pull-requests: write
 
 jobs:
-  auto-merge:
+  dependabot:
     runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
     steps:
-      - uses: actions/checkout@v4
-      - uses: ahmadnassri/action-dependabot-auto-merge@v2
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1
         with:
-          target: minor
-          github-token: ${{ secrets.DEPENDABOT_GITHUB_TOKEN }}
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Approve a PR (patch and minor updates only)
+        run: gh pr review --approve "$PR_URL"
+        if: steps.metadata.outputs.update-type == 'version-update:semver-patch' || steps.metadata.outputs.update-type == 'version-update:semver-minor'
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      - name: Enable auto-merge for Dependabot PRs
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}