Changes to Update mutable model metadata

added StringMap to the annotations request property allOf list

added StringMap to the labels request property allOf list

the annotations request property type changed from object to no type

the labels request property type changed from object to no type

the source response's property type changed from string to no type for status 200

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

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

added ArtifactSource to the source response property allOf list for the response status 200

added ModelSpec to the spec response property allOf list for the response status 200

added ModelStatus to the status response property allOf list for the response status 200

removed the Deleted enum value from the status response property for the response status 200

removed the Deleting enum value from the status response property for the response status 200

removed the Failed enum value from the status response property for the response status 200

removed the Ready enum value from the status response property for the response status 200

removed the Uploading enum value from the status response property for the response status 200

removed the dockerPush enum value from the source response property for the response status 200

removed the external enum value from the source response property for the response status 200

removed the oras enum value from the source response property for the response status 200

removed the webUpload enum value from the source response property for the response status 200