feat: 🎸 upgrade datasets to 2.8.0
see  https://github.com/huggingface/datasets/releases/tag/2.8.0

remove fix because https://github.com/huggingface/datasets/pull/5333 has been included in the release, and remove deprecated use_auth_token argument in download_and_prepare
feat: 🎸 upgrade datasets to 2.8.0: see  https://github.com/huggingface/datasets/releases/tag/2.8.0

remove fix because https://github.com/huggingface/datasets/pull/5333 has been included in the release, and remove deprecated use_auth_token argument in download_and_prepare