Merge pull request #1093 from dirkcgrunwald/PR_jupyterlab_2113

upgrade jupyterlab to 2.1.3 to avoid npm delay

Author: parente

base-notebook/Dockerfile

@@ -112,7 +112,7 @@ RUN conda install --quiet --yes 'tini=0.18.0' && \
 RUN conda install --quiet --yes \
     'notebook=6.0.3' \
     'jupyterhub=1.1.0' \
-    'jupyterlab=2.1.1' && \
+    'jupyterlab=2.1.3' && \
     conda clean --all -f -y && \
     npm cache clean --force && \
     jupyter notebook --generate-config && \