make possible to use higher version of php, then only 7.4 (so also 8.0 and higher)

Author: Tim Schoondergang

composer.json

@@ -19,7 +19,7 @@
     }
   ],
   "require": {
-    "php": "^7.4",
+    "php": ">=7.4",
     "ext-dom": "*",
     "letsdrink/ouzo-goodies": "1.8.0",
     "doctrine/annotations": "1.13.2"