Update actions/upload-pages-artifact action to v5 (#15)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/static.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@v6
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v5
         with:
           # Upload entire repository
           path: './astar/'