Bump phpstan/phpstan from 1.7.12 to 1.7.14 (#137)

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 1.7.12 to 1.7.14.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.7.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.7.12...1.7.14)

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

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