Bump @nuxt/content from 1.14.0 to 2.13.2 in /src/frontend (#388)

Bumps [@nuxt/content](https://github.com/nuxt/content) from 1.14.0 to 2.13.2.
- [Release notes](https://github.com/nuxt/content/releases)
- [Changelog](https://github.com/nuxt/content/blob/main/CHANGELOG.md)
- [Commits](https://github.com/nuxt/content/compare/@nuxt/[email protected])

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

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