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:
 - extractive-qa
 paperswithcode_id: null
+pretty_name: KorQuAD v2-1
 ---
 
 # Dataset Card for KorQuAD v2.1
@@ -175,4 +176,4 @@ Wikipedia
 
 ### Contributions
 
-Thanks to [@cceyda](https://github.com/cceyda) for adding this dataset.
+Thanks to [@cceyda](https://github.com/cceyda) for adding this dataset.