Update requirements.txt

requirements.txt

@@ -1,9 +1,9 @@
-streamlit==1.31.0
-fastapi==0.109.0
-uvicorn==0.27.0
-python-dotenv==1.0.0
-langchain-groq==0.0.3
-langchain-community==0.0.19
-langgraph==0.0.15
-langchain==0.1.5
-requests==2.31.0
+streamlit
+fastapi
+uvicorn
+python-dotenv
+langchain-groq
+langchain-community
+langgraph
+langchain
+requests