Follow-up from "Update jupyterhub chart"

The following discussions from !22127 (merged) should be addressed:

• @hfyngvason started a discussion: (+2 comments)

  Manual QA

  • The chart installs cleanly
  • JupyterHub runs
  • JupyterHub login works
    • on a project-level cluster with inherited membership
    • on a group-level cluster with inherited membership
  • The chart uninstalls cleanly
    • Resources are deleted
    • Re-installation works
  • GitLab git integration works (can clone and make changes to my projects)

  ... anything else?

• @Alexand started a discussion: (+1 comment)

  Also, can this application be upgraded? If yes, did you test installing it with the old version, then upgrading, then running through all the tests?

• @Alexand started a discussion: (+1 comment)

  @hfyngvason Thank you for addressing this issue!

  Code-wise LGTM. I just left a concern about the target version, but if we're testing it properly, I guess we're good to go. Then two questions about QA.

• @consideRatio started a discussion: (+1 comment)

  @hfyngvason I'll be on vacation without a computer between Dec 29th and Jan 13th. I can make a beta release happen before I leave of both JupyterHub and the JupyterHub helm chart. I've been pushing for a beta->stable release for a long time now.

  I'll do my absolute best with my available time to make it happen, and I believe that will be enough! It is so motivating to know that you would benefit from it!

  Lots of love from Jupyter dear GitLabbers! :)