- (php) Bump spatie/laravel-permission from 6.15.0 to 6.16.0

Bumps [spatie/laravel-permission](https://github.com/spatie/laravel-permission) from 6.15.0 to 6.16.0.
- [Release notes](https://github.com/spatie/laravel-permission/releases)
- [Changelog](https://github.com/spatie/laravel-permission/blob/main/CHANGELOG.md)
- [Commits](spatie/laravel-permission@6.15.0...6.16.0)

---
updated-dependencies:
- dependency-name: spatie/laravel-permission
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]