Update tokenizer_config.json

tokenizer_config.json

@@ -42,6 +42,6 @@
     }
   },
   "clean_up_tokenization_spaces": true,
-  "model_max_length": 1000000000000000019884624838656,
+  "model_max_length": 4096,
   "tokenizer_class": "PreTrainedTokenizerFast"
 }