Update config.json

Updating config.json to use `modules_to_not_convert` to standardize its use across all quantizers in transformers : https://github.com/huggingface/transformers/pull/35161

config.json

@@ -19,7 +19,7 @@
   "pretraining_tp": 1,
   "quantization_config": {
     "in_group_size": 8,
-    "linear_weights_not_to_quantize": [
+    "modules_to_not_convert": [
       "model.embed_tokens.weight",
       "lm_head.weight"
     ],