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
---------
Co-authored-by: Cyril Vallez <cyril.vallez@huggingface.co>