[Worklow_PHP_8] Don't allow PHP 8 for now

Author: lkck24

composer.json

@@ -38,7 +38,7 @@
         }
     },
     "require": {
-        "php": "^7.4 || ^8.0",
+        "php": "^7.4",
         "fzaninotto/faker": "^1.9",
         "symfony/property-info": ">=4"
     }