Align label mapping with qnli config of glue dataset

config.json

@@ -23,5 +23,13 @@
   "transformers_version": "4.15.0",
   "type_vocab_size": 2,
   "use_cache": true,
-  "vocab_size": 30522
-}
+  "vocab_size": 30522,
+  "label2id": {
+    "entailment": 0,
+    "not_entailment": 1
+  },
+  "id2label": {
+    "0": "entailment",
+    "1": "not_entailment"
+  }
+}