Update requirements.txt

requirements.txt

@@ -1,6 +1,7 @@
-chromadb==0.5.17
-gradio==5.4.0
-langchain_community==0.3.5
-langchain_core==0.3.15
-langchain_openai==0.2.5
-pandas==2.2.3
+chromadb==0.5.17
+gradio==5.4.0
+langchain_community==0.3.5
+langchain_core==0.3.15
+langchain_openai==0.2.5
+pandas==2.2.3
+langchain-google-genai