Update requirements.txt

requirements.txt

@@ -2,9 +2,9 @@ transformers>=4.38.2,<4.46.0
 accelerate==0.28.0
 bitsandbytes==0.41.3
 optimum==1.16.1
-langchain>=0.1.13,<0.2.0
-langchain-huggingface>=0.1.0,<0.2.0
 langchain-core>=0.3.0,<0.4.0
+langchain>=0.3.0,<0.4.0
+langchain-huggingface>=0.1.0,<0.2.0
 einops==0.7.0
 gradio==4.19.2
-tokenizers>=0.19.1
+tokenizers>=0.19.1