Support huggingface_hub 0.5
Following https://github.com/huggingface/datasets/issues/4105

`huggingface_hub` deprecated some parameters in `HfApi` in 0.5. This PR updates all the calls to HfApi to remove all the deprecations, <s>and I set the `hugginface_hub` requirement to `>=0.5.0`</s>

cc @adrinjalali @LysandreJik 