Sync with official tokenizer_config.json

Hi,
The official ``tokenizer_config.json`` got updated and I was wondering if you could update it here too?
It has some fixes in it. Thank you.

tokenizer_config.json

@@ -1,4 +1,5 @@
 {
+  "add_bos_token": false,
   "added_tokens_decoder": {
     "120000": {
       "content": "<|eos|>",
@@ -211,10 +212,9 @@
   },
   "chat_template": "{% for message in messages %}{% if loop.first and messages[0]['role'] != 'system' %}{{ '<|role_start|>system<|role_end|>你是Megrez-3B-Instruct，将针对用户的问题给出详细的、积极的回答。<|turn_end|>' }}{% endif %}{{ '<|role_start|>' + message['role'] + '<|role_end|>' + message['content'] + '<|turn_end|>' }}{% endfor %}{% if add_generation_prompt %}{{ '<|role_start|>assistant<|role_end|>' }}{% endif %}",
   "clean_up_tokenization_spaces": true,
-  "eos_token": "<|turn_end>",
-  "extra_special_tokens": {},
+  "eos_token": "<|turn_end|>",
   "model_max_length": 32768,
   "pad_token": "<|pad|>",
   "padding_side": "right",
   "tokenizer_class": "PreTrainedTokenizerFast"
-}
+}