build(deps-dev): bump @vuepress/plugin-register-components (#51)

Bumps [@vuepress/plugin-register-components](https://github.com/vuejs/vuepress/tree/HEAD/packages/@vuepress/plugin-register-components) from 2.0.0-beta.68 to 2.0.0-rc.0.
- [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)

---
updated-dependencies:
- dependency-name: "@vuepress/plugin-register-components"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -13,7 +13,7 @@
   "license": "MIT",
   "devDependencies": {
     "@vuepress/client": "2.0.0-beta.67",
-    "@vuepress/plugin-register-components": "2.0.0-beta.68",
+    "@vuepress/plugin-register-components": "2.0.0-rc.0",
     "@vuepress/utils": "2.0.0-alpha.1",
     "scss": "^0.2.4",
     "vue": "^3.3.8",