Update requirements.txt

requirements.txt

@@ -1,8 +1,6 @@
-llama-index==0.6.28  # Use the latest compatible version
-langchain==0.0.240   # Use the latest compatible version
-gradio==3.40
-openai==0.28
-pydantic==1.10.7
-ratelimit
-pypdf
-PyCryptodome
+transformers>=4.34.0
+torch>=2.0.0
+llama-index>=0.8.0
+gradio>=3.50.0
+ratelimit>=2.2.1
+langchain>=0.0.200