ci: bring back auto-merge

.github/workflows/release.yml

@@ -43,6 +43,9 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Show diff for debugging
+        run: git diff
+
       # Create a Pull Request with the version bump if the release is not a pre-release
       - name: Create Pull Request for Version Bump
         if: success() && env.IS_PRE_RELEASE == 'false'
@@ -56,3 +59,20 @@ jobs:
           labels: version-bump
           token: ${{ secrets.GITHUB_TOKEN }}
           base: main
+
+      # Auto-merge the Pull Request with the version bump if the release is not a pre-release
+      - name: Enable Auto-Merge
+        if: success() && env.IS_PRE_RELEASE == 'false'
+        uses: peter-evans/enable-pull-request-automerge@v3
+        with:
+          pull-request-number: ${{ steps.create_pull_request.outputs.pull-request-number }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+          merge-method: squash
+
+      # Clean up the version bump branch after merge
+      - name: Delete Version Bump Branch
+        if: success() && env.IS_PRE_RELEASE == 'false'
+        run: |
+          git push origin --delete version-bump/${{ env.RELEASE_VERSION }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}