Update files from the datasets library (from 1.2.1)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.2.1

README.md

@@ -63,7 +63,7 @@ task_categories:
   - text-classification
 task_ids:
   bapos:
-  - structure-prediction-other-part-of-speech-tagging
+  - part-of-speech-tagging
   casa:
   - text-classification-other-aspect-based-sentiment-analysis
   emot:
@@ -79,7 +79,7 @@ task_ids:
   nerp:
   - named-entity-recognition
   posp:
-  - structure-prediction-other-part-of-speech-tagging
+  - part-of-speech-tagging
   smsa:
   - sentiment-classification
   terma: