Update files from the datasets library (from 1.18.0)

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

README.md

@@ -22,6 +22,7 @@ task_ids:
 - abstractive-qa
 - extractive-qa
 paperswithcode_id: duorc
+pretty_name: DuoRC
 ---
 
 # Dataset Card for duorc
@@ -168,4 +169,4 @@ year = {2018}
 
 ### Contributions
 
-Thanks to [@gchhablani](https://github.com/gchhablani) for adding this dataset.
+Thanks to [@gchhablani](https://github.com/gchhablani) for adding this dataset.