Changes to List Job Checkpoints

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

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

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

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

removed the optional property success from the response with the 200 status

api operation id list_run_checkpoints_v1_training_jobs__job_id__checkpoints_get removed and replaced with list_job_checkpoints_v1_training_jobs__job_id__checkpoints_get

added CheckpointListResponse TrainingRunCheckpointListResponse to the response body anyOf list for the response status 200

endpoint added