Allow doctrine/persistence 4.0 (#287)

Author: shakaran

composer.json

@@ -30,7 +30,7 @@
     },
     "require-dev": {
         "doctrine/coding-standard": "^13.0",
-        "doctrine/persistence": "^1.3 || ^2.0 || ^3.0",
+        "doctrine/persistence": "^1.3 || ^2.0 || ^3.0 || ^4.0",
         "egulias/email-validator": "^4.0",
         "phpunit/phpunit": "^11|^12",
         "psr/container": ">=1.1",