Bump md-editor-v3 from 4.21.0 to 4.21.1

[dependabot[bot]]

Bumps md-editor-v3 from 4.21.0 to 4.21.1.

Release notes

Sourced from md-editor-v3's releases.

v4.21.1

新增特性

• 🌟 为图片、代码和菜单添加基础的符合ADA标准的属性（#697）。

修复问题

• 🐞 不能切换代码主题（#702）。
• 🐞 隐藏目录后没有移除内部的监听事件。

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New Features

• 🌟 Add basic ADA-compliant attributes to images, code, and menus(#697).

Fixed Bugs

• 🐞 Unable to switch code themes(#702).
• 🐞 Listener events were not removed when hiding the catalog.

Commits

• e8ce788 4.21.1
• a46e4fa chore: store Prettier configuration independently
• 1b2a5f9 fix: listener events were not removed when hiding the directory
• 8157549 feat: add basic accessibility attributes to drop-down menu
• 417c818 feat: add basic accessibility attributes to image cropping and code module(#697)
• ca5df2c fix: unable to switch code themes(#702)
• See full diff in compare view

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