requirements update

requirements.txt

@@ -1,14 +1,13 @@
-gradio==4.29.0
-huggingface-hub==0.23.4
-python-dotenv==1.0.0
-llama-index==0.10.14
-llama-index-embeddings-huggingface==0.2.2
-llama-index-llms-huggingface==0.2.4
-sentence-transformers==2.7.0
+gradio
+huggingface-hub
+python-dotenv
+llama-index
+llama-index-embeddings-huggingface
+llama-index-llms-huggingface
+sentence-transformers
 langchain
 faiss-cpu
-aina-gradio-theme==2.3
-
-langchain-community==0.2.1 
-langchain-core==0.2.1
-openai==1.35.12
+aina-gradio-theme
+langchain-community
+langchain-core
+openai