Bump squizlabs/php_codesniffer in the development-dependencies group (#34)

Bumps the development-dependencies group with 1 update: [squizlabs/php_codesniffer](https://github.com/PHPCSStandards/PHP_CodeSniffer).


Updates `squizlabs/php_codesniffer` from 3.13.0 to 3.13.2
- [Release notes](https://github.com/PHPCSStandards/PHP_CodeSniffer/releases)
- [Changelog](https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/CHANGELOG.md)
- [Commits](PHPCSStandards/PHP_CodeSniffer@3.13.0...3.13.2)

---
updated-dependencies:
- dependency-name: squizlabs/php_codesniffer
  dependency-version: 3.13.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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Author: dependabot[bot]