Update files from the datasets library (from 1.18.0)

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

README.md

@@ -62,6 +62,7 @@ task_categories:
 task_ids:
 - machine-translation
 paperswithcode_id: null
+pretty_name: UnGa
 ---
 
 # Dataset Card for [Dataset Name]
@@ -190,4 +191,4 @@ publisher = "International Association of Machine Translation",
 }
 ### Contributions
 
-Thanks to [@param087](https://github.com/param087) for adding this dataset.
+Thanks to [@param087](https://github.com/param087) for adding this dataset.