Bump phpdocumentor/reflection-docblock from 5.6.0 to 5.6.1

Bumps [phpdocumentor/reflection-docblock](https://github.com/phpDocumentor/ReflectionDocBlock) from 5.6.0 to 5.6.1.
- [Release notes](https://github.com/phpDocumentor/ReflectionDocBlock/releases)
- [Commits](phpDocumentor/ReflectionDocBlock@5.6.0...5.6.1)

---
updated-dependencies:
- dependency-name: phpdocumentor/reflection-docblock
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]