Fix static deploy workflow to only run if validation succeeds

Author: danny-lloyd

.github/workflows/static.yml

@@ -29,6 +29,8 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
+    # Only deploy static page if the validation succeeded
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4