chore(deps-dev): bump @nuxt/test-utils from 3.14.3 to 3.15.1

Bumps [@nuxt/test-utils](https://github.com/nuxt/test-utils) from 3.14.3 to 3.15.1.
- [Release notes](https://github.com/nuxt/test-utils/releases)
- [Changelog](https://github.com/nuxt/test-utils/blob/main/CHANGELOG.md)
- [Commits](nuxt/test-utils@v3.14.3...v3.15.1)

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

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