add conflict for sebastian/comparator ^5.0

Author: wachterjohannes

composer.json

@@ -52,7 +52,8 @@
     },
     "conflict": {
         "symfony/security-guard": "5.4.0-BETA1",
-        "doctrine/doctrine-cache-bundle": "<1.3.1"
+        "doctrine/doctrine-cache-bundle": "<1.3.1",
+        "sebastian/comparator": "^5.0"
     },
     "autoload": {
         "psr-4": {