Bump laravel/legacy-factories from 1.3.2 to 1.4.0 (#374)

Bumps [laravel/legacy-factories](https://github.com/laravel/legacy-factories) from 1.3.2 to 1.4.0.
- [Release notes](https://github.com/laravel/legacy-factories/releases)
- [Commits](laravel/legacy-factories@v1.3.2...v1.4.0)

---
updated-dependencies:
- dependency-name: laravel/legacy-factories
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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