Update requirements.txt

requirements.txt

@@ -1,8 +1,8 @@
 huggingface-hub==0.23.5
-gradio==3.50.2
-llama-index
-llama-index-llms-huggingface
-llama-index-embeddings-huggingface
-llama-index-embeddings-huggingface-api
-llama-index-llms-huggingface-api
+gradio==4.44.0
+llama-index==0.11.17
+llama-index-llms-huggingface==0.3.5
+llama-index-embeddings-huggingface==0.3.1
+llama-index-embeddings-huggingface-api==0.2.1
+llama-index-llms-huggingface-api==0.2.0
 python-dotenv