docs: fix typo in isolatedModules example

[chenjiahan]

Summary

Apply the same change as #5539 to the Chinese documentation.

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

Fixes a typo in the Chinese tsconfig.json example by replacing an incorrect compiler option.

• Corrects verbatimModuleSyntax to isolatedModules in the docs.