Update files from the datasets library (from 1.18.0)

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

README.md

@@ -18,6 +18,7 @@ task_categories:
 task_ids:
 - text-classification-other-fake-news-detection
 paperswithcode_id: liar
+pretty_name: LIAR
 ---
 
 # Dataset Card for [Dataset Name]
@@ -140,4 +141,4 @@ English.
 
 ### Contributions
 
-Thanks to [@hugoabonizio](https://github.com/hugoabonizio) for adding this dataset.
+Thanks to [@hugoabonizio](https://github.com/hugoabonizio) for adding this dataset.