update gradio version to 5.20.0 in app.py and requirements.txt

app.py

@@ -2,7 +2,7 @@
 import base64, os
 # add a command for installing flash-attn
 os.system('pip install flash-attn --no-build-isolation')
-os.system("pip install gradio==4.45.0")
+os.system("pip install gradio==5.20.0")
 
 from typing import Optional
 import spaces

requirements.txt

@@ -12,8 +12,8 @@ pydantic>=2.0
 markdown2[all]
 numpy
 scikit-learn==1.5.0
-gradio==4.45.0
-gradio_client==1.4.0
+gradio==5.20.0
+gradio_client
 spaces
 requests
 httpx