build(deps): bump nuxt from 4.4.2 to 4.4.6 in /docs

Bumps [nuxt](https://github.com/nuxt/nuxt/tree/HEAD/packages/nuxt) from 4.4.2 to 4.4.6.
- [Release notes](https://github.com/nuxt/nuxt/releases)
- [Commits](https://github.com/nuxt/nuxt/commits/v4.4.6/packages/nuxt)

---
updated-dependencies:
- dependency-name: nuxt
  dependency-version: 4.4.6
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]