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

@@ -20,19 +20,6 @@ task_ids:
 - part-of-speech
 paperswithcode_id: conll-2003
 pretty_name: CoNLL-2003
-train-eval-index:
-- config: conll2003
-  task: token-classification
-  task_id: entity_extraction
-  splits:
-    train_split: train
-    eval_split: test
-  col_mapping:
-    tokens: tokens
-    ner_tags: tags
-  metrics:
-  - type: seqeval
-    name: seqeval
 dataset_info:
   features:
   - name: id
@@ -43,93 +30,93 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: '"'
-          1: ''''''
-          2: '#'
-          3: $
-          4: (
-          5: )
-          6: ','
-          7: .
-          8: ':'
-          9: '``'
-          10: CC
-          11: CD
-          12: DT
-          13: EX
-          14: FW
-          15: IN
-          16: JJ
-          17: JJR
-          18: JJS
-          19: LS
-          20: MD
-          21: NN
-          22: NNP
-          23: NNPS
-          24: NNS
-          25: NN|SYM
-          26: PDT
-          27: POS
-          28: PRP
-          29: PRP$
-          30: RB
-          31: RBR
-          32: RBS
-          33: RP
-          34: SYM
-          35: TO
-          36: UH
-          37: VB
-          38: VBD
-          39: VBG
-          40: VBN
-          41: VBP
-          42: VBZ
-          43: WDT
-          44: WP
-          45: WP$
-          46: WRB
+          '0': '"'
+          '1': ''''''
+          '2': '#'
+          '3': $
+          '4': (
+          '5': )
+          '6': ','
+          '7': .
+          '8': ':'
+          '9': '``'
+          '10': CC
+          '11': CD
+          '12': DT
+          '13': EX
+          '14': FW
+          '15': IN
+          '16': JJ
+          '17': JJR
+          '18': JJS
+          '19': LS
+          '20': MD
+          '21': NN
+          '22': NNP
+          '23': NNPS
+          '24': NNS
+          '25': NN|SYM
+          '26': PDT
+          '27': POS
+          '28': PRP
+          '29': PRP$
+          '30': RB
+          '31': RBR
+          '32': RBS
+          '33': RP
+          '34': SYM
+          '35': TO
+          '36': UH
+          '37': VB
+          '38': VBD
+          '39': VBG
+          '40': VBN
+          '41': VBP
+          '42': VBZ
+          '43': WDT
+          '44': WP
+          '45': WP$
+          '46': WRB
   - name: chunk_tags
     sequence:
       class_label:
         names:
-          0: O
-          1: B-ADJP
-          2: I-ADJP
-          3: B-ADVP
-          4: I-ADVP
-          5: B-CONJP
-          6: I-CONJP
-          7: B-INTJ
-          8: I-INTJ
-          9: B-LST
-          10: I-LST
-          11: B-NP
-          12: I-NP
-          13: B-PP
-          14: I-PP
-          15: B-PRT
-          16: I-PRT
-          17: B-SBAR
-          18: I-SBAR
-          19: B-UCP
-          20: I-UCP
-          21: B-VP
-          22: I-VP
+          '0': O
+          '1': B-ADJP
+          '2': I-ADJP
+          '3': B-ADVP
+          '4': I-ADVP
+          '5': B-CONJP
+          '6': I-CONJP
+          '7': B-INTJ
+          '8': I-INTJ
+          '9': B-LST
+          '10': I-LST
+          '11': B-NP
+          '12': I-NP
+          '13': B-PP
+          '14': I-PP
+          '15': B-PRT
+          '16': I-PRT
+          '17': B-SBAR
+          '18': I-SBAR
+          '19': B-UCP
+          '20': I-UCP
+          '21': B-VP
+          '22': I-VP
   - name: ner_tags
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-MISC
-          8: I-MISC
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-MISC
+          '8': I-MISC
   config_name: conll2003
   splits:
   - name: train
@@ -143,6 +130,19 @@ dataset_info:
     num_examples: 3453
   download_size: 982975
   dataset_size: 10252622
+train-eval-index:
+- config: conll2003
+  task: token-classification
+  task_id: entity_extraction
+  splits:
+    train_split: train
+    eval_split: test
+  col_mapping:
+    tokens: tokens
+    ner_tags: tags
+  metrics:
+  - type: seqeval
+    name: seqeval
 ---
 
 # Dataset Card for "conll2003"