Update build_deploy.yaml

Author: yallup

.github/workflows/build_deploy.yaml

@@ -21,7 +21,7 @@ jobs:
       pages: write
       id-token: write
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     # Install dependencies
     - name: Set up Python 3.11