Operation Green CI (#43530)
* Fix dataset name
* Mark plbart tokenizer tests as flaky
* Claudemon, go!!
* Update utils/fetch_hub_objects_for_ci.py
Co-authored-by: Cyril Vallez <cyril.vallez@huggingface.co>
* Less catch/reraise
* Replace symlink with direct download
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Co-authored-by: Cyril Vallez <cyril.vallez@huggingface.co>
