fix: checkout branch to allow pushes

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

@@ -44,6 +44,7 @@ jobs:
         with:
           fetch-depth: 0 # Number of commits to fetch. 0 indicates all history for all branches and tags.
           fetch-tags: true # Whether to fetch tags, even if fetch-depth > 0.
+          ref: ${{ github.event.pull_request.head.ref || github.ref_name }}
 
       - name: "Install system dependencies"
         run: |