fix running attempts

Author: Ekwuno

.github/workflows/deploy-gallery.yml

@@ -50,5 +50,10 @@ jobs:
       - uses: actions/upload-pages-artifact@v5
         with:
           path: site/dist
+          # Per-attempt name so re-running a failed run doesn't collide
+          # with the previous attempt's artifact.
+          name: github-pages-${{ github.run_attempt }}
       - id: deployment
         uses: actions/deploy-pages@v5
+        with:
+          artifact_name: github-pages-${{ github.run_attempt }}