Update symplify/easy-coding-standard requirement from ^9.4 || ^10.0 |…

…| ^11.0 to ^9.4 || ^10.0 || ^11.0 || ^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](https://github.com/easy-coding-standard/easy-coding-standard/commits/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

@@ -16,7 +16,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^8.5 || ^9.5 || ^10.1",
-    "symplify/easy-coding-standard": "^9.4 || ^10.0 || ^11.0"
+    "symplify/easy-coding-standard": "^9.4 || ^10.0 || ^11.0 || ^12.0"
   },
   "autoload": {
     "psr-4": {