Update files from the datasets library (from 1.2.1)

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

README.md

@@ -71,15 +71,15 @@ task_ids:
   - language-modeling
   tagged_ca:
   - structure-prediction-other-lemmatization
-  - structure-prediction-other-pos-tagging
+  - part-of-speech-tagging
   - text-classification-other-word-sense-disambiguation
   tagged_en:
   - structure-prediction-other-lemmatization
-  - structure-prediction-other-pos-tagging
+  - part-of-speech-tagging
   - text-classification-other-word-sense-disambiguation
   tagged_es:
   - structure-prediction-other-lemmatization
-  - structure-prediction-other-pos-tagging
+  - part-of-speech-tagging
   - text-classification-other-word-sense-disambiguation
 ---