Bump the dev-dependencies group across 1 directory with 2 updates

Bumps the dev-dependencies group with 2 updates in the / directory: [phpstan/phpstan](https://github.com/phpstan/phpstan) and [squizlabs/php_codesniffer](https://github.com/PHPCSStandards/PHP_CodeSniffer).


Updates `phpstan/phpstan` from 1.11.3 to 1.12.0
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.12.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.11.3...1.12.0)

Updates `squizlabs/php_codesniffer` from 3.10.1 to 3.10.2
- [Release notes](https://github.com/PHPCSStandards/PHP_CodeSniffer/releases)
- [Changelog](https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/CHANGELOG.md)
- [Commits](PHPCSStandards/PHP_CodeSniffer@3.10.1...3.10.2)

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

Signed-off-by: dependabot[bot] <support@github.com>