Update Dockerfile

Dockerfile

@@ -10,7 +10,7 @@ USER jovyan
 RUN pip3 install --upgrade pip
 
 # Install 'nice to have lab extensions'
-RUN pip install --upgrade jupyterlab
+# RUN pip install --upgrade jupyterlab
 RUN pip install jupyterlab-git==0.34.0
 RUN pip install jupyterlab-gitlab==3.0.0