Bump laravel/sail from 1.15.1 to 1.15.2 in /laravel (#310)

Bumps [laravel/sail](https://github.com/laravel/sail) from 1.15.1 to 1.15.2.
- [Release notes](https://github.com/laravel/sail/releases)
- [Changelog](https://github.com/laravel/sail/blob/1.x/CHANGELOG.md)
- [Commits](laravel/sail@v1.15.1...v1.15.2)

---
updated-dependencies:
- dependency-name: laravel/sail
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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