fix: config.json

updated max_position_embeddings to be the max model input length.

config.json

@@ -13,7 +13,7 @@
   "initializer_range": 0.02,
   "intermediate_size": 4096,
   "layer_norm_eps": 1e-05,
-  "max_position_embeddings": 514,
+  "max_position_embeddings": 512,
   "model_type": "xlm-roberta",
   "num_attention_heads": 16,
   "num_hidden_layers": 24,