v3.21.0

SageMaker Python SDK 3.21.0

New Features

• feat(train): Add inherited list_supported_models to BaseTrainer (#6187)

Bug Fixes

• fix(core,mlops): honor caller region in feature_store ingest_dataframe and stop
  telemetry from blocking SDK calls (#6197)
• fix(core): anchor tar member validation to extract_path (#6195)
• fix(rlaif): accept preset reward_prompt template names (#6192)
• fix(serve): pre-deploy JumpStart benchmark data + public HuggingFace download helper (#6175)
• fix(tgi): honor S3 model_path as weight source for TGI builds (#5964)