Update requirements.txt

requirements.txt

@@ -1,12 +1,13 @@
 torch==2.2.1
 transformers==4.38.2
-langchain==0.1.16
-langchain-community==0.0.31
+langchain==0.1.14
+langchain-community==0.0.30
 gradio==4.24.0
 pymupdf==1.24.1
 sentence-transformers==2.3.1
 accelerate==0.27.2
 bitsandbytes==0.42.0
 huggingface-hub==0.21.4
-langsmith==0.1.17
-faiss-cpu==1.7.4  
+langsmith==0.1.13
+faiss-cpu==1.7.4
+langchain-core==0.1.45