Remove trailing spaces from build.yml

🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>

Author: dbieber

.github/workflows/build.yml

@@ -48,7 +48,7 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-        
+      
       - name: Download web app build
         uses: actions/download-artifact@v4
         with: