Enable xet in push to hub
The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7552). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.
follows https://github.com/huggingface/huggingface_hub/pull/3035

related to https://github.com/huggingface/datasets/issues/7526