Fix deprecated GitHub Actions in pages workflow

- Update upload-artifact from v3 to v4
- Update configure-pages from v2 to v5
- Update upload-pages-artifact from v1 to v3

Author: ajeetraina

.github/workflows/pages.yml

@@ -28,14 +28,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Pages
-        uses: actions/configure-pages@v2
+        uses: actions/configure-pages@v5
       - name: Build with Jekyll
         uses: actions/jekyll-build-pages@v1
         with:
           source: ./
           destination: ./_site
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
 
   # Deployment job
   deploy: