build(deps-dev): bump dealerdirect/phpcodesniffer-composer-installer

Bumps [dealerdirect/phpcodesniffer-composer-installer](https://github.com/PHPCSStandards/composer-installer) from 1.1.2 to 1.2.0.
- [Release notes](https://github.com/PHPCSStandards/composer-installer/releases)
- [Changelog](https://github.com/PHPCSStandards/composer-installer/blob/main/CHANGELOG.md)
- [Commits](PHPCSStandards/composer-installer@v1.1.2...v1.2.0)

---
updated-dependencies:
- dependency-name: dealerdirect/phpcodesniffer-composer-installer
  dependency-version: 1.2.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]