fail to search for index in directory with directory name containing CJK characters

[wh-timme]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

file path:
./public/hello/你好/index.html
will return 404 when accessing to http://serving_domain/hello/你好

Code snippet

app.static('/', './public', index='index.html')

Expected Behavior

redirect to ./public/hello/你好/index.html instead of 404 page

How do you run Sanic?

As a script (app.run or Sanic.serve)

Operating System

Linux

Sanic Version

24.6.0

Additional context

No response