chore(deps-dev): bump the vuepress group with 5 updates

Bumps the vuepress group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [@vuepress/bundler-vite](https://github.com/vuepress/core) | `2.0.0-rc.8` | `2.0.0-rc.9` |
| [@vuepress/plugin-google-analytics](https://github.com/vuejs/vuepress/tree/HEAD/packages/@vuepress/plugin-google-analytics) | `2.0.0-rc.15` | `2.0.0-rc.21` |
| [@vuepress/plugin-register-components](https://github.com/vuejs/vuepress/tree/HEAD/packages/@vuepress/plugin-register-components) | `2.0.0-rc.15` | `2.0.0-rc.21` |
| [@vuepress/theme-default](https://github.com/vuejs/vuepress/tree/HEAD/packages/@vuepress/theme-default) | `2.0.0-rc.20` | `2.0.0-rc.21` |
| [@vuepress/utils](https://github.com/vuepress/core) | `2.0.0-rc.8` | `2.0.0-rc.9` |


Updates `@vuepress/bundler-vite` from 2.0.0-rc.8 to 2.0.0-rc.9
- [Release notes](https://github.com/vuepress/core/releases)
- [Changelog](https://github.com/vuepress/core/blob/main/CHANGELOG.md)
- [Commits](vuepress/core@v2.0.0-rc.8...v2.0.0-rc.9)

Updates `@vuepress/plugin-google-analytics` from 2.0.0-rc.15 to 2.0.0-rc.21
- [Release notes](https://github.com/vuejs/vuepress/releases)
- [Changelog](https://github.com/vuejs/vuepress/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vuepress/commits/HEAD/packages/@vuepress/plugin-google-analytics)

Updates `@vuepress/plugin-register-components` from 2.0.0-rc.15 to 2.0.0-rc.21
- [Release notes](https://github.com/vuejs/vuepress/releases)
- [Changelog](https://github.com/vuejs/vuepress/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vuepress/commits/HEAD/packages/@vuepress/plugin-register-components)

Updates `@vuepress/theme-default` from 2.0.0-rc.20 to 2.0.0-rc.21
- [Release notes](https://github.com/vuejs/vuepress/releases)
- [Changelog](https://github.com/vuejs/vuepress/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vuepress/commits/HEAD/packages/@vuepress/theme-default)

Updates `@vuepress/utils` from 2.0.0-rc.8 to 2.0.0-rc.9
- [Release notes](https://github.com/vuepress/core/releases)
- [Changelog](https://github.com/vuepress/core/blob/main/CHANGELOG.md)
- [Commits](vuepress/core@v2.0.0-rc.8...v2.0.0-rc.9)

---
updated-dependencies:
- dependency-name: "@vuepress/bundler-vite"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vuepress
- dependency-name: "@vuepress/plugin-google-analytics"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vuepress
- dependency-name: "@vuepress/plugin-register-components"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vuepress
- dependency-name: "@vuepress/theme-default"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vuepress
- dependency-name: "@vuepress/utils"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vuepress
...

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