Update requirements.txt

requirements.txt

@@ -1,9 +1,9 @@
-gradio==4.19.2
-pdfminer.six==20231228
-langchain-groq==0.0.5
-langchain-google-genai==0.0.9
-langchain==0.1.9
-faiss-cpu==1.7.4
-langchain-openai==0.0.5
-openai==1.12.0
-markdown2==2.4.12
+gradio
+pdfminer.six
+langchain-groq
+langchain-google-genai
+langchain
+faiss-cpu
+langchain-openai
+openai
+markdown2