Fix EOS token in model configs.

generation_config.json and config.json to use the configured eos_token in the tokenizer.

generation_config.json

@@ -1,6 +1,6 @@
 {
   "_from_model_config": true,
   "bos_token_id": 128000,
-  "eos_token_id": 128001,
+  "eos_token_id": 128009,
   "transformers_version": "4.41.2"
 }