Update platform to ^8.0

Author: pavlokomarov

composer.json

@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "php": "~7.4 || ~8.0 || ~8.1",
+        "php": "~7.4 || ^8.0",
         "symfony/translation": "^4.4|^5.0|^6.0",
         "symfony/yaml": "^4.4|^5.0|^6.0",
         "aeon-php/calendar": "^0.16.1 || ^1.0"