fix buggy gradio version

main.py

@@ -34,7 +34,7 @@ def encode_plugin_info(k, plugin)->str:
 
 def main():
     import gradio as gr
-    if gr.__version__ not in ['3.32.14', '3.32.13']:
+    if gr.__version__ not in ['3.32.15']:
         raise ModuleNotFoundError("使用项目内置Gradio获取最优体验! 请运行 `pip install -r requirements.txt` 指令安装内置Gradio及其他依赖, 详情信息见requirements.txt.")
 
     # 一些基础工具