Bump macopedia/phpstan-magento1 from 1.0.7 to 1.0.8 (#4272)

Bumps [macopedia/phpstan-magento1](https://github.com/macopedia/phpstan-magento1) from 1.0.7 to 1.0.8.
- [Release notes](https://github.com/macopedia/phpstan-magento1/releases)
- [Commits](macopedia/phpstan-magento1@v1.0.7...v1.0.8)

---
updated-dependencies:
- dependency-name: macopedia/phpstan-magento1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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