REmoved use of github.base_ref

Author: martinyde

.github/workflows/site.yaml

@@ -68,8 +68,6 @@ jobs:
     steps:
       # Install site from our base ref
       - uses: actions/checkout@v4
-        with:
-          ref: ${{ github.base_ref }}
 
       - name: Start docker and install dependencies
         run: |