chore: test using ref sha

.github/workflows/publish.yaml

@@ -52,6 +52,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+          fetch-depth: 0
+
+      - name: Print pull request head information
+        run: |
+          echo "Pull Request SHA: ${{ github.event.pull_request.head.sha }}"
+          echo "Pull Request Ref: ${{ github.event.pull_request.head.ref }}"
 
       # Run a build step here
       - name: Setup Node.js environment