chore: update GitHub Actions workflow to use dynamic ref for checkout

.github/workflows/build-and-release.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref_name }}
 
       - name: Set up Python
         uses: actions/setup-python@v5