Changes to Update agent metadata

the telephonyProductId request property type changed from string to array

removed the optional property data from the response with the 401 status

added the new optional request property avatarUrl

added the new optional request property visibleToEveryone

added the non-success response with the status 403

added the non-success response with the status 404

added the optional property errors to the response with the 401 status

removed the request property defaultVariables

removed the request property globalKnowledgeBaseId

removed the request property globalPrompt

removed the request property language

removed the request property slmModel

removed the request property synthesizer

added the new optional request property allowInboundCall

removed the enum value kn of the request property language/enabled