Allow PHP 8.0

Author: lcobucci

composer.json

@@ -14,7 +14,7 @@
         "sort-packages": true
     },
     "require": {
-        "php": "^7.2",
+        "php": "^7.2 || ^8.0",
         "lcobucci/di-builder": "^5.5"
     },
     "require-dev": {