Update configure-pages to v6

Support for node.js 24

Author: stumbo

.github/workflows/gh-pages.yml

@@ -167,7 +167,7 @@ jobs:
 
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@v6
 
       - name: Setup Node
         uses: actions/setup-node@v6