make dependabot automerge its own workflow

.github/workflows/continous_integration.yml

@@ -89,13 +89,13 @@ jobs:
         env:
           POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_API_TOKEN }}
 
-  dependabot:
-    needs: [build]
-    runs-on: ubuntu-latest
-    if: ${{ github.actor == 'dependabot[bot]' && github.event_name == 'pull_request'}}
-    steps:
-      - name: Enable auto-merge for Dependabot PRs
-        run: gh pr merge --auto --merge "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+  # dependabot:
+  #   needs: [build]
+  #   runs-on: ubuntu-latest
+  #   if: ${{ github.actor == 'dependabot[bot]' && github.event_name == 'pull_request'}}
+  #   steps:
+  #     - name: Enable auto-merge for Dependabot PRs
+  #       run: gh pr merge --auto --merge "$PR_URL"
+  #       env:
+  #         PR_URL: ${{github.event.pull_request.html_url}}
+  #         GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/dependabot.yml

@@ -0,0 +1,27 @@
+name: Dependabot auto-merge
+on: pull_request
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/[email protected]
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Echo auto-merge
+        run: echo "Update type is ${{steps.metadata.outputs.update-type}}, check is ${{contains(steps.metadata.outputs.update-type,'version-update:semver')}}"
+
+      - name: Enable auto-merge for Dependabot PRs
+        if: ${{contains(steps.metadata.outputs.update-type,'version-update:semver')}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}