v0.33.5

• Add impersonation to admin UI: first click "cookie" button on user edit/details sheet (verified and non-admin users only) to copy the tokens, then go to the OpenApi page and paste the explicit tokens.
• Add register user method to all clients. Thanks @UserNobody14 🙏.
• Support textproto in addition to binary protobuf for admin (get|update)_config endpoints to ease use with MCPs.
• Update dependencies.

Full Changelog: v0.33.4...v0.33.5