Add attention_bias to make TGI work

To unblock: https://github.com/huggingface/text-generation-inference/issues/1930#issuecomment-2124148048

config.json

@@ -182,5 +182,6 @@
   "torch_dtype": "bfloat16",
   "transformers_version": "4.38.1",
   "use_cache": true,
+  "attention_bias": false
   "vocab_size": 100352
 }