Bump vite and vitepress (#23)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) and [vitepress](https://github.com/vuejs/vitepress). These dependencies needed to be updated together.

Updates `vite` from 4.5.5 to 4.5.9
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v4.5.9/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v4.5.9/packages/vite)

Updates `vitepress` from 1.0.0-rc.20 to 1.6.3
- [Release notes](https://github.com/vuejs/vitepress/releases)
- [Changelog](https://github.com/vuejs/vitepress/blob/main/CHANGELOG.md)
- [Commits](vuejs/vitepress@v1.0.0-rc.20...v1.6.3)

---
updated-dependencies:
- dependency-name: vite
  dependency-type: direct:production
- dependency-name: vitepress
  dependency-type: direct:development
...

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