Replace YAML keys from int to str

Replace YAML metadata integer keys with strings, as the Hub does not support integers.
See: https://github.com/huggingface/datasets/issues/5275

README.md

@@ -1,5 +1,4 @@
 ---
-pretty_name: 'PAWS: Paraphrase Adversaries from Word Scrambling'
 annotations_creators:
 - expert-generated
 - machine-generated
@@ -24,6 +23,7 @@ task_ids:
 - text-scoring
 - multi-input-text-classification
 paperswithcode_id: paws
+pretty_name: 'PAWS: Paraphrase Adversaries from Word Scrambling'
 configs:
 - labeled_final
 - labeled_swap
@@ -43,8 +43,8 @@ dataset_info:
     dtype:
       class_label:
         names:
-          0: '0'
-          1: '1'
+          '0': '0'
+          '1': '1'
   splits:
   - name: train
     num_bytes: 12239978
@@ -69,8 +69,8 @@ dataset_info:
     dtype:
       class_label:
         names:
-          0: '0'
-          1: '1'
+          '0': '0'
+          '1': '1'
   splits:
   - name: train
     num_bytes: 7963651
@@ -89,8 +89,8 @@ dataset_info:
     dtype:
       class_label:
         names:
-          0: '0'
-          1: '1'
+          '0': '0'
+          '1': '1'
   splits:
   - name: train
     num_bytes: 157806996