New parent job runner for cached data (#1388)
* New parent job runner for cached data
* Apply suggestions from code review
Co-authored-by: Sylvain Lesage <sylvain.lesage@huggingface.co>
* Fix class rename
* Separate test for new job runner
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Co-authored-by: Sylvain Lesage <sylvain.lesage@huggingface.co>
