ci: conflict sebastian/comparator

Author: soyuka

composer.json

@@ -95,7 +95,8 @@
         "doctrine/mongodb-odm": "<2.4",
         "doctrine/persistence": "<1.3",
         "symfony/var-exporter" : "<6.1.1",
-        "phpunit/phpunit": "<9.5",
+		"phpunit/phpunit": "<9.5",
+        "sebastian/comparator": ">=5.0",
         "phpspec/prophecy": "<1.15",
         "elasticsearch/elasticsearch": ">=8.0,<8.4"
     },