update locks to jupyterlab 3.4.1 (jupyter-server#368)

* update locks to jupyterlab 3.4.1

* print pip version

Author: Zsailer

build.sh

@@ -45,6 +45,7 @@ yarn config get registry
 which python
 python -V
 which pip
+pip -V
 pip config --user set global.progress_bar off
 
 # Set up Jupyter Config