Build(deps-dev): Bump phpstan/phpstan from 1.8.0 to 1.8.1
Build(deps-dev): Bump phpstan/phpstan from 1.8.0 to 1.8.1

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.8.x/CHANGELOG.md)
- [Commits](https://github.com/phpstan/phpstan/compare/1.8.0...1.8.1)

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
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