Bump barryvdh/laravel-ide-helper from 2.13.0 to 2.15.1

Bumps [barryvdh/laravel-ide-helper](https://github.com/barryvdh/laravel-ide-helper) from 2.13.0 to 2.15.1.
- [Release notes](https://github.com/barryvdh/laravel-ide-helper/releases)
- [Changelog](https://github.com/barryvdh/laravel-ide-helper/blob/master/CHANGELOG.md)
- [Commits](barryvdh/laravel-ide-helper@v2.13.0...v2.15.1)

---
updated-dependencies:
- dependency-name: barryvdh/laravel-ide-helper
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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