Need submodules to pin, that started at v4, lets go latest

Author: Dan Berkowitz

.github/workflows/docs.yml

@@ -49,7 +49,7 @@ jobs:
           sphinx-build -b html . _build/html
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5
         with:
           path: docs/source/_build/html