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@v0.7.0...v1.2.0)

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

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

Author: dependabot[bot]

composer.json

@@ -26,7 +26,7 @@
         "colinmollenhour/credis": "^1.12.1"
     },
     "require-dev": {
-        "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
+        "dealerdirect/phpcodesniffer-composer-installer": "^1.2.0",
         "dms/phpunit-arraysubset-asserts": "^0.4.0",
         "php-stubs/wp-cli-stubs": "^2.7",
         "phpcompatibility/phpcompatibility-wp": "^2.1",