Changes to Update guide

the response property guide/creator_id became nullable for the status 200

added the new optional request property visibility

added the optional property guide/creator to the response with the 200 status

removed the pending_purge enum value from the guide/status response property for the response status 200

added the required property guide/team_id to the response with the 200 status

added the required property guide/visibility to the response with the 200 status