ci: skip tests on non-scheduled deploy runs

Co-Authored-By: Claude <noreply@anthropic.com>

Author: vinta

.github/workflows/deploy-website.yml

@@ -33,6 +33,7 @@ jobs:
         run: uv sync --group build
 
       - name: Run tests
+        if: github.event_name == 'schedule'
         run: make test
 
       - name: Get date