Bump phpgt/typesafegetter from 1.2.2 to 1.2.3 (#185)

Bumps [phpgt/typesafegetter](https://github.com/PhpGt/TypeSafeGetter) from 1.2.2 to 1.2.3.
- [Release notes](https://github.com/PhpGt/TypeSafeGetter/releases)
- [Commits](phpgt/TypeSafeGetter@v1.2.2...v1.2.3)

---
updated-dependencies:
- dependency-name: phpgt/typesafegetter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]