Bump nunomaduro/larastan from 2.8.0 to 2.8.1

Bumps [nunomaduro/larastan](https://github.com/larastan/larastan) from 2.8.0 to 2.8.1.
- [Release notes](https://github.com/larastan/larastan/releases)
- [Changelog](https://github.com/larastan/larastan/blob/2.x/RELEASE.md)
- [Commits](larastan/larastan@v2.8.0...v2.8.1)

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

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