chore(deps): update dependency md-editor-v3 to v6.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
md-editor-v3 (source)	6.3.1 → 6.4.0

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Release Notes

imzbf/md-editor-v3 (md-editor-v3)

v6.4.0

Compare Source

Features

• use white mermaid theme in light mode (commit 4efc5bb)

Fixed Bugs

• bump @​vavt/markdown-theme to fix mermaid overflow #​1010 (commit b8f9049) #​1010
  • Fixes preview clipping where mermaid blocks with many lines overflow on the last line due to p line-height behavior.

Others

• docs(readme): clarify commit message should include solved problem (commit 8933da4)

Full Changelog: v6.3.2...v6.4.0

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v6.3.2

Compare Source

Features

• use white mermaid theme in light mode (commit 4efc5bb)

Fixed Bugs

• bump @​vavt/markdown-theme to fix mermaid overflow #​1010 (commit b8f9049) #​1010
  • Fixes preview clipping where mermaid blocks with many lines overflow on the last line due to p line-height behavior.

Others

• docs(readme): clarify commit message should include solved problem (commit 8933da4)

Full Changelog: v6.3.2...v6.4.0

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