(core) ML (SageMaker) data pipeline stage

[kukushking]

Describe the solution you'd like
I'd like to be able to run an SageMaker ML training/inference workflow in a DDK data pipeline stage

[github-actions]

Marking this issue as stale due to inactivity. This helps our maintainers find and focus on the active issues. If this issue receives no comments in the next 7 days it will automatically be closed.