chore(deps): update dealerdirect/phpcodesniffer-composer-installer requirement

Updates the requirements on [dealerdirect/phpcodesniffer-composer-installer](https://github.com/PHPCSStandards/composer-installer) to permit the latest version.
- [Release notes](https://github.com/PHPCSStandards/composer-installer/releases)
- [Changelog](https://github.com/PHPCSStandards/composer-installer/blob/main/CHANGELOG.md)
- [Commits](PHPCSStandards/composer-installer@v1.0.0...v1.2.1)

---
updated-dependencies:
- dependency-name: dealerdirect/phpcodesniffer-composer-installer
  dependency-version: 1.2.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

composer.json

@@ -32,7 +32,7 @@
     "require": {
         "php": ">=7.4",
         "automattic/vipwpcs": "^3.0.0",
-        "dealerdirect/phpcodesniffer-composer-installer": "~1.0.0",
+        "dealerdirect/phpcodesniffer-composer-installer": "~1.2.1",
         "phpcompatibility/php-compatibility": "^9.3.5 || ^10",
         "phpcsstandards/phpcsextra": "^1.1",
         "phpcsstandards/phpcsutils": "^1.0",