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

@@ -18,6 +18,58 @@ task_categories:
 task_ids: []
 paperswithcode_id: liar
 pretty_name: LIAR
+tags:
+- fake-news-detection
+dataset_info:
+  features:
+  - name: id
+    dtype: string
+  - name: label
+    dtype:
+      class_label:
+        names:
+          '0': 'false'
+          '1': half-true
+          '2': mostly-true
+          '3': 'true'
+          '4': barely-true
+          '5': pants-fire
+  - name: statement
+    dtype: string
+  - name: subject
+    dtype: string
+  - name: speaker
+    dtype: string
+  - name: job_title
+    dtype: string
+  - name: state_info
+    dtype: string
+  - name: party_affiliation
+    dtype: string
+  - name: barely_true_counts
+    dtype: float32
+  - name: false_counts
+    dtype: float32
+  - name: half_true_counts
+    dtype: float32
+  - name: mostly_true_counts
+    dtype: float32
+  - name: pants_on_fire_counts
+    dtype: float32
+  - name: context
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 2730651
+    num_examples: 10269
+  - name: test
+    num_bytes: 341414
+    num_examples: 1283
+  - name: validation
+    num_bytes: 341592
+    num_examples: 1284
+  download_size: 1013571
+  dataset_size: 3413657
 train-eval-index:
 - config: default
   task: text-classification
@@ -67,58 +119,6 @@ train-eval-index:
     name: Recall weighted
     args:
       average: weighted
-tags:
-- fake-news-detection
-dataset_info:
-  features:
-  - name: id
-    dtype: string
-  - name: label
-    dtype:
-      class_label:
-        names:
-          0: 'false'
-          1: half-true
-          2: mostly-true
-          3: 'true'
-          4: barely-true
-          5: pants-fire
-  - name: statement
-    dtype: string
-  - name: subject
-    dtype: string
-  - name: speaker
-    dtype: string
-  - name: job_title
-    dtype: string
-  - name: state_info
-    dtype: string
-  - name: party_affiliation
-    dtype: string
-  - name: barely_true_counts
-    dtype: float32
-  - name: false_counts
-    dtype: float32
-  - name: half_true_counts
-    dtype: float32
-  - name: mostly_true_counts
-    dtype: float32
-  - name: pants_on_fire_counts
-    dtype: float32
-  - name: context
-    dtype: string
-  splits:
-  - name: train
-    num_bytes: 2730651
-    num_examples: 10269
-  - name: test
-    num_bytes: 341414
-    num_examples: 1283
-  - name: validation
-    num_bytes: 341592
-    num_examples: 1284
-  download_size: 1013571
-  dataset_size: 3413657
 ---
 
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