Update symplify/easy-coding-standard requirement from ^12.2 to ^13.0 (#276)

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/ecs@12.2.0...13.0.0)

---
updated-dependencies:
- dependency-name: symplify/easy-coding-standard
  dependency-version: 13.0.0
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -34,7 +34,7 @@
         "phpunit/phpunit": "^10.0",
         "rector/rector": "^1.0.0",
         "symplify/easy-ci": "^12.1",
-        "symplify/easy-coding-standard": "^12.2",
+        "symplify/easy-coding-standard": "^13.0",
         "symplify/phpstan-extensions": "^11.1",
         "symplify/phpstan-rules": "^12.0",
         "webmozart/assert": "^1.10"