doc actions versions?

Author: jakegrigsby

.github/workflows/gh-pages.yml

@@ -45,7 +45,7 @@ jobs:
         uses: actions/configure-pages@v4
 
       - name: Upload Pages Artifact  
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: build/html