Update symplify/easy-coding-standard requirement from ^11.1 to ^12.0

Updates the requirements on [symplify/easy-coding-standard](https://github.com/easy-coding-standard/easy-coding-standard) to permit the latest version.
- [Release notes](https://github.com/easy-coding-standard/easy-coding-standard/releases)
- [Commits](easy-coding-standard/easy-coding-standard@11.1.0...12.0.6)

---
updated-dependencies:
- dependency-name: symplify/easy-coding-standard
  dependency-type: direct:development
...

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

composer.json

@@ -17,7 +17,7 @@
         "psr/simple-cache": "^1.0"
     },
     "require-dev": {
-        "symplify/easy-coding-standard": "^11.1",
+        "symplify/easy-coding-standard": "^12.0",
         "typo3/testing-framework": "^6.16 || ^7.0",
         "php-parallel-lint/php-parallel-lint": "^1.3",
         "phpstan/phpstan": "^1.8",