build(deps-dev): Bump vuepress-vite in /docs

Bumps [vuepress-vite](https://github.com/vuepress/vuepress-next) from 2.0.0-beta.66 to 2.0.0-beta.67.
- [Release notes](https://github.com/vuepress/vuepress-next/releases)
- [Changelog](https://github.com/vuepress/vuepress-next/blob/main/CHANGELOG.md)
- [Commits](vuepress/core@v2.0.0-beta.66...v2.0.0-beta.67)

---
updated-dependencies:
- dependency-name: vuepress-vite
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>