Kerberos is integrated

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.0.0-20220725212005-46097bf591d3 to 0.7.0.
- [Release notes](https://github.com/golang/net/releases)
- [Commits](https://github.com/golang/net/commits/v0.7.0

)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

The clim `preferred_username` is optional in Azure AD. Although is listed as preferred, in some enterprise environment it's not possible to add this additional claim. `unique_name` and `upn` are legacy alternatives

* Change ownership not working for key.pem
* Fix Keycloak not importing realm, default path of keycloak to /auth
* Set default path of keycloak to /auth

If using the filesystem storage provider
for session store it can be set than a larger value than 4kb
as it is not tied to the restriction of a cookie anymore.

Some clarifications