ci: upgrade actions/deploy-pages and actions/upload-pages-artifact

Author: tdstein

.github/workflows/site.yaml

@@ -28,10 +28,10 @@ jobs:
       - uses: quarto-dev/quarto-actions/setup@v2
       - run: make docs
       - uses: actions/configure-pages@v3
-      - uses: actions/upload-pages-artifact@v1
+      - uses: actions/upload-pages-artifact@v3
         with:
           path: "./docs/_site"
-      - uses: actions/deploy-pages@v2
+      - uses: actions/deploy-pages@v4
 
   preview:
     if: github.event_name == 'pull_request'