Update jupyterlab 3.2.5 jupyter-resource-usage 0.6.1

Author: manics

repo2docker/buildpacks/conda/environment.yml

@@ -6,8 +6,9 @@ dependencies:
   - pip
   - ipywidgets==7.6.3
   - jupyter-offlinenotebook==0.2.1
-  - jupyter-resource-usage==0.6.0
-  - jupyterlab==3.1.17
+  - jupyter-resource-usage==0.6.1
+  - jupyterlab==3.2.5
+  # jupyterhub-singleuser==1.5.0 won't install with python 3.6 (but 2.0.1 does!)
   - jupyterhub-singleuser==1.4.2
   # Newer versions require python 3.7
   - nbconvert==6.0.7