chore(deps): update dependency @unhead/vue to v1.9.12

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@unhead/vue (source)	1.9.11 -> 1.9.12

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Release Notes

unjs/unhead (@​unhead/vue)

### [`v1.9.12`](https://togithub.com/unjs/unhead/releases/tag/v1.9.12) [Compare Source](https://togithub.com/unjs/unhead/compare/v1.9.11...v1.9.12) #####    🐞 Bug Fixes - **scripts**: Lazily trigger `beforeInit`"  -  by [@​harlan-zw](https://togithub.com/harlan-zw) [(a1d38)](https://togithub.com/unjs/unhead/commit/a1d38fa8) - **unhead**: Missing types for `false` attrs  -  by [@​harlan-zw](https://togithub.com/harlan-zw) [(8c0a3)](https://togithub.com/unjs/unhead/commit/8c0a3c58) #####    🏎 Performance - **scripts**: Process triggers async on animation frames  -  by [@​harlan-zw](https://togithub.com/harlan-zw) [(325cb)](https://togithub.com/unjs/unhead/commit/325cbd37) #####     [View changes on GitHub](https://togithub.com/unjs/unhead/compare/v1.9.11...v1.9.12)

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