Results 3 issues of hongkunyoo

Hello, I really enjoy using helm-controller because of its great concept. However, I'm not sure whether I'm wrong or there is a bug, I have experienced unexpected behavior. If I...

### Proposed change Currently, it seems `auth_state_hook` runs only on [spawn time.](https://github.com/jupyterhub/jupyterhub/blob/main/jupyterhub/user.py#L729) Is it possible to change to run `auth_state_hook` on every user login time? Some where between [here](https://github.com/jupyterhub/jupyterhub/blob/main/jupyterhub/handlers/base.py#L813-L821). **Reason**...

enhancement

## Purpose of the feature (why) I really liked this project. Thanks for your effort. I would like an option `SkipIssuerCheck` to skip to issuer check if possible. For example,...

enhancement