Bump md-editor-v3 from 2.7.2 to 4.2.1

[dependabot]

Bumps md-editor-v3 from 2.7.2 to 4.2.1.

Release notes

Sourced from md-editor-v3's releases.

v4.2.1

修复Bugs：

• 🐞 自定义的markdown-it扩展失效(#305 )。
• 🐞 用于生成mermaid的临时节点没有被正确移除(#312 )。
• 🐞 编辑器模式展开目录时，页脚工具栏被遮挡(#310 )。
• 🐞 可能存在的对null访问属性getBoundingClientRect报错(#308 )。

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Fix Bugs：

• 🐞 Customized markdown-it extensions have lower priority(#305).
• 🐞 Temporary node not removed when no mermaid exists(#312).
• 🐞 Location of internal catalog is incorrect(#310).
• 🐞 Cannot read properties of null (reading 'getBoundingClientRect ')(#308 ).

v4.2.0

重构：

• 🌟 editorRef.value.focus()现在可以设定获得焦点后光标的位置，默认上次光标的位置(#299 )，文档：focus。

修复问题：

• 🐞 editorRef.value.insert()插入内容后编辑器没有获取焦点。

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Refactor:

• 🌟 Cursor position can be set during focusing, in editorRef.value.focus()(#299 ), docs: focus.

Fix Bugs：

• 🐞 Lost focus when using editorRef.value.insert() and setting select to false.

v4.1.1

修复Bugs：

• 🐞 codemirror的新扩展不支持在创建时立即设置属性。
• 🐞 在首次渲染mermaid@10+模块时，页面会闪烁。

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Fix Bugs：

• 🐞 New extension of codemirror does not support setting properties immediately.
• 🐞 Page blinks when rendering mermaid@10+ for the first time.

... (truncated)

Commits

• 176f35c 4.2.1
• d490f35 fix: cannot read properties of null (reading 'getBoundingClientRect ')(#308)
• 0bdab59 fix: location of internal catalog is incorrect(#310)
• b3c5fdf fix: temporary node not removed when no mermaid exists(#312)
• 82fdd78 refactor: delete unused attribute trigger of Dropdown
• 9bea852 chore: ignore yarn.lock in example folder
• 69f2234 fix: customized markdown-it extensions have lower priority(#305)
• 9d5be64 4.2.0
• 29ea44f fix: lost focus when setting select to false
• 7021fa3 docs: new example for focus()
• Additional commits viewable in compare view

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[dependabot]

Superseded by #122.