Add symplify/ecs:^8.3 reuired by latest resource-bundle version

Author: kuba-end

composer.json

@@ -10,7 +10,7 @@
         "phpstan/phpstan-doctrine": "^1.0",
         "phpstan/phpstan-strict-rules": "^1.0",
         "phpstan/phpstan-webmozart-assert": "^1.0",
-        "symplify/easy-coding-standard": "^9.4",
+        "symplify/easy-coding-standard": "^8.3 || ^9.4",
         "friendsofphp/php-cs-fixer": "^3.0",
         "slevomat/coding-standard": "^7.0"
     },