Upgrade actions/deploy-pages

Author: jsoref

.github/workflows/jekyll-gh-pages.yml

@@ -63,7 +63,7 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5
 
   check-links:
     name: Check links