Bump @nuxt/schema from 3.12.3 to 3.13.0

Bumps [@nuxt/schema](https://github.com/nuxt/nuxt/tree/HEAD/packages/schema) from 3.12.3 to 3.13.0.
- [Release notes](https://github.com/nuxt/nuxt/releases)
- [Commits](https://github.com/nuxt/nuxt/commits/v3.13.0/packages/schema)

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

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