Update files from the datasets library (from 1.18.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.18.0

README.md

@@ -19,6 +19,7 @@ task_categories:
 task_ids:
 - open-domain-qa
 paperswithcode_id: ambigqa
+pretty_name: 'AmbigQA: Answering Ambiguous Open-domain Questions'
 ---
 
 # Dataset Card for AmbigQA: Answering Ambiguous Open-domain Questions
@@ -220,4 +221,4 @@ Light version only has `id`, `question`, `annotations` fields
 ```
 ### Contributions
 
-Thanks to [@cceyda](https://github.com/cceyda) for adding this dataset.
+Thanks to [@cceyda](https://github.com/cceyda) for adding this dataset.