Changes to List Avatars

added the optional property data/items/description to the response with the 200 status

added the optional property data/items/paired_voice to the response with the 200 status

the response property data/items/preview_url became optional for the status 200

the source response property const value stock was removed for the status 200

response property data/items/preview_url list-of-types was widened by adding types null to media type application/json of response 200

the data/items/preview_url response property's maxLength was unset from 2083 for the response status 200

the data/items/preview_url response property's minLength was decreased from 1 to 0 for the response status 200

removed the required property data/items/slug from the response with the 200 status

added the new custom enum value to the data/items/source response property for the response status 200

added the new stock enum value to the data/items/source response property for the response status 200

the response property data/items/source became required for the status 200

the source response's property default value stock was removed for the status 200

endpoint added