Update requirements.txt

requirements.txt

@@ -1,8 +1,8 @@
-gradio==3.41.0
-langchain-google-genai==1.0.10
-langchain==0.3.15
-langchain-community==0.2.19
-faiss-cpu==1.7.4
-pypdf==3.15.2
-sentence-transformers==2.2.2
-gradio_pdf
+langchain-community==0.3.16
+langchain-google-genai==2.0.9
+langchain==0.3.17
+langchain-community==0.3.16
+faiss-cpu==1.9.0
+pypdf==5.2.0
+sentence-transformers==3.4.1
+gradio-pdf==0.0.21