Update requirements.txt

requirements.txt

@@ -3,12 +3,13 @@ langchain-community==0.3.13
 langchain-core==0.3.28
 langchain-groq==0.2.2
 langchain-openai==0.2.14
-langchain-pinecone==0.2.0
+langchain-chroma==0.1.4
 langchain-text-splitters==0.3.4
-pinecone-client==5.0.1
-pinecone-plugin-inference==1.1.0
+chromadb==0.5.23
+chroma-hnswlib==0.7.6
 streamlit==1.41.1
 python-dotenv==1.0.1
 PyMuPDF==1.25.1
 docx2txt==0.8
-openai==1.58.1
+openai==1.58.1
+groq==0.13.1