Upgrade datasets to 1.18.3
See https://github.com/huggingface/datasets/releases/tag/1.18.3

> Extend dataset builder for streaming in get_dataset_split_names by @mariosasko in https://github.com/huggingface/datasets/pull/3657
Upgrade datasets to 1.18.3: See https://github.com/huggingface/datasets/releases/tag/1.18.3

> Extend dataset builder for streaming in get_dataset_split_names by @mariosasko in https://github.com/huggingface/datasets/pull/3657