binderhub image: relax jupyterhub pin to major version
@@ -10,7 +10,7 @@ google-cloud-logging==3.*
# jupyterhub's major version should be matched with the JupyterHub Helm chart's
# used version of JupyterHub.
#
-jupyterhub==1.5.*
+jupyterhub==1.*
# https://github.com/kubernetes-client/python
kubernetes==9.*
