update composer.json to PHP8 too

Author: geekcom

composer.json

@@ -16,7 +16,7 @@
   ],
   "minimum-stability": "stable",
   "require": {
-    "php": "^7.3|^8.0"
+    "php": "^7.2|^8.0"
   },
   "require-dev": {
     "phpunit/phpunit": "^8.4|^9.4",