Downgrade composer-normalize for PHP 7.2

Author: adlacruzes

composer.json

@@ -18,7 +18,7 @@
         "ext-mbstring": "*"
     },
     "require-dev": {
-        "ergebnis/composer-normalize": "^2.20 || ^2.28.3",
+        "ergebnis/composer-normalize": "^2.19 || ^2.20 || ^2.28.3",
         "friendsofphp/php-cs-fixer": "^v3.2.1 || v3.9.5",
         "phpstan/phpstan": "^1.8.2",
         "phpstan/phpstan-strict-rules": "^1.3.0",