chore(jupyterhub-keycloak): Add comment about JupyterHub chart version

Author: Techassi

stacks/jupyterhub-keycloak/jupyterhub-native-auth.yaml

@@ -4,6 +4,9 @@ name: jupyterhub
 repo:
   name: jupyterhub
   url: https://jupyterhub.github.io/helm-chart/
+# Special care should be taken during testing when this version was bumped.
+# There might be cases where this needs to be dropped back, because the chart
+# is not compatible with other components of the stack/images used.
 version: 4.2.0 # 5.3.0
 options:
   hub:

stacks/jupyterhub-keycloak/jupyterhub.yaml

@@ -5,6 +5,9 @@ name: jupyterhub
 repo:
   name: jupyterhub
   url: https://jupyterhub.github.io/helm-chart/
+# Special care should be taken during testing when this version was bumped.
+# There might be cases where this needs to be dropped back, because the chart
+# is not compatible with other components of the stack/images used.
 version: 4.2.0 # 5.3.0
 options:
   hub: