Update files from the datasets library (from 1.18.0)

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

README.md

@@ -17,6 +17,7 @@ task_categories:
 - conditional-text-generation
 task_ids:
 - conditional-text-generation-other-debugging
+pretty_name: CodeXGlueCcCodeRefinement
 ---
 
 # Dataset Card for "code_x_glue_cc_code_refinement"