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:
 - intent-classification
 paperswithcode_id: null
+pretty_name: Poleval 2019 cyberbullying
 ---
 
 # Dataset Card for Poleval 2019 cyberbullying
@@ -164,4 +165,4 @@ Train and Test
 
 ### Contributions
 
-Thanks to [@czabo](https://github.com/czabo) for adding this dataset.
+Thanks to [@czabo](https://github.com/czabo) for adding this dataset.