Update requirements.txt

requirements.txt

@@ -1,9 +1,9 @@
 gradio==3.50.2
-transformers==4.35.0
-sentence-transformers==2.2.2
+transformers==4.38.2  # Updated to a recent stable version
+sentence-transformers==2.7.0  # Updated to support modern huggingface_hub
 langchain==0.0.300
 beautifulsoup4==4.12.2
 faiss-cpu==1.7.4
 numpy==1.26.0
 torch==2.1.0
-pickle5==0.0.11  # For compatibility with pickle across Python versions
+pickle5==0.0.11