chore(deps-dev): bump nunomaduro/larastan from 2.6.4 to 2.9.1

Bumps [nunomaduro/larastan](https://github.com/nunomaduro/larastan) from 2.6.4 to 2.9.1.
- [Release notes](https://github.com/nunomaduro/larastan/releases)
- [Changelog](https://github.com/larastan/larastan/blob/2.x/RELEASE.md)
- [Commits](larastan/larastan@v2.6.4...v2.9.1)

---
updated-dependencies:
- dependency-name: nunomaduro/larastan
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>