Update requirements.txt

requirements.txt

@@ -1,9 +1,10 @@
-chainlit>=1.0.400
-langchain>=0.2.0
-langchain-community>=0.2.0
-faiss-cpu>=1.7.4
-sentence-transformers>=2.6.1
-huggingface-hub>=0.22.2
-pypdf>=3.17.4
+chainlit>=1.0
+langchain>=0.1.20
+langchain-community>=0.0.36
+faiss-cpu
+sentence-transformers
+groq
+PyMuPDF
+