Update use_external_data_format

config.json

@@ -65,6 +65,10 @@
       "gen_head": "fp32",
       "gen_img_embeds": "fp32",
       "image_decode": "fp32"
+    },
+    "use_external_data_format": {
+      "language_model.onnx": true,
+      "language_model_fp16.onnx": true
     }
   },
   "vision_config": {