build(deps-dev): Bump @vuepress/plugin-register-components in /docs

Bumps [@vuepress/plugin-register-components](https://github.com/vuejs/vuepress/tree/HEAD/packages/@vuepress/plugin-register-components) from 2.0.0-beta.52 to 2.0.0-beta.53.
- [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] <support@github.com>

docs/package.json

@@ -23,7 +23,7 @@
   "devDependencies": {
     "@vuepress/plugin-google-analytics": "^2.0.0-beta.51",
     "@vuepress/plugin-palette": "^2.0.0-beta.53",
-    "@vuepress/plugin-register-components": "^2.0.0-beta.52",
+    "@vuepress/plugin-register-components": "^2.0.0-beta.53",
     "ace-builds": "^1.12.5",
     "js-yaml": "^4.1.0",
     "markdown-it": "^13.0.1",