Update docs for hf.co/api/datasets/<dataset>/parquet endpoint
To be used instead of the datasets server /parquet endpoint in examples

following https://github.com/huggingface/moon-landing/pull/6695
Update docs for hf.co/api/datasets/<dataset>/parquet endpoint: To be used instead of the datasets server /parquet endpoint in examples

following https://github.com/huggingface/moon-landing/pull/6695