Try to fix the previous commit

Author: mcbarton

.github/actions/Jupyter-serve/action.yml

@@ -37,4 +37,4 @@ runs:
         sleep 10
         # Show get requests for Jupyter Lite website in terminal. Not completely
         # necessary, but can be a nice to have when it comes to debugging.
-        nc -l 8000 &
+        sudo lsof -i :8000

docs/source/conf.py

@@ -37,7 +37,7 @@
 micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyter_server jupyterlite-xeus -c conda-forge -y;
 micromamba activate xeus-lite-host;
 python -m pip install jupyterlite-xeus jupyter_server;
-jupyter lite build --XeusAddon.prefix=$PREFIX \\
+jupyter lite build --settings-overrides=overrides.json --XeusAddon.prefix=$PREFIX \\
                    --XeusAddon.mounts="$PREFIX/share/xeus-cpp/tagfiles:/share/xeus-cpp/tagfiles" \
                    --XeusAddon.mounts="$PREFIX/etc/xeus-cpp/tags.d:/etc/xeus-cpp/tags.d" \
                    --contents notebooks/xeus-cpp-lite-demo.ipynb \\