Changes to Update managed domain

the request property subdomain became required

removed the required property allowUnauthenticated from the response with the 200 status

removed the required property cnameTarget from the response with the 200 status

removed the required property requiresConfig from the response with the 200 status

removed the required property status from the response with the 200 status

removed the required property validation from the response with the 200 status

removed the request property allowUnauthenticated

removed the request property requiresConfig

removed the non-success response with the status 400

the id response property const value managed was added for the status 200

the type response property const value managed was added for the status 200

removed the custom enum value from the type response property for the response status 200

removed the managed enum value from the type response property for the response status 200

response property subdomain list-of-types was narrowed by removing types null from media type application/json of response 200

endpoint added