build(deps): bump @nuxt/content from 2.12.0 to 2.12.1 in /docs

Bumps [@nuxt/content](https://github.com/nuxt/content) from 2.12.0 to 2.12.1.
- [Release notes](https://github.com/nuxt/content/releases)
- [Changelog](https://github.com/nuxt/content/blob/main/CHANGELOG.md)
- [Commits](nuxt/content@v2.12.0...v2.12.1)

---
updated-dependencies:
- dependency-name: "@nuxt/content"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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