Update requirements.txt

requirements.txt

@@ -1,8 +1,9 @@
-langchain==0.2.14
-langchain-huggingface==0.0.3
-langchain-google-genai==1.0.4
-langchain-chroma==0.1.1
-chromadb==0.5.3
-google-generativeai==0.8.3
-gradio==4.44.0
-spaces==0.20.0
+gradio>=4.44.0
+chromadb>=0.5.3
+langchain>=0.2.5
+langchain-chroma>=0.1.1
+langchain-huggingface>=0.0.4
+langchain-google-genai>=1.0.4
+google-generativeai>=0.7.2
+torch
+transformers