Changes to Update user

the user response's property type changed from no type to object for status 200

added the media type application/json for the response with the status 400

added the media type application/json for the response with the status 401

added the media type application/json for the response with the status 403

added the media type application/json for the response with the status 404

added the optional property user/avatar_url to the response with the 200 status

added the optional property user/created_at to the response with the 200 status

added the optional property user/display_name to the response with the 200 status

added the optional property user/email to the response with the 200 status

added the optional property user/id to the response with the 200 status

added the optional property user/last_login_at to the response with the 200 status

added the optional property user/provider to the response with the 200 status

added the optional property user/role to the response with the 200 status

added the optional property user/username to the response with the 200 status