chore(deps): update dependency vitepress to v1.4.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Pending	OpenSSF
vitepress (source)	devDependencies	patch	1.4.1 -> 1.4.3	1.4.5 (+1)

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Release Notes

vuejs/vitepress (vitepress)

v1.4.3

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Performance Improvements

• lazy load shiki languages (#​4326) (8299778)

v1.4.2

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Bug Fixes

• cache markdown-it instance and properly dispose shiki on config reload (#​4321) (45968cd) (acfe97f)
• regression: hmr not working with markdown includes due to wrong cache key (615aed5), closes #​4289 #​4303
• remove explicit chinese fonts (#​4286) (668e9f7) (b893550), closes #​4286
• theme/a11y: don't select search result unless mouse is actually moved (e638d85), closes #​4297
• theme: add types for VPLink, VPSocialLink and VPSocialLinks exports (#​4284) (fcae4d5)
• theme: don't escape html in siteTitle (#​4308) (bd690d6)

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[DanielOber]

LGTM