fix: phpstan version constraint mistake

Author: williamdes

composer.json

@@ -56,9 +56,9 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^7 || ^8 || ^9",
-        "phpstan/phpstan": "^1.1.2",
+        "phpstan/phpstan": "^1.4.6",
         "wdes/coding-standard": "^3",
-        "phpstan/phpstan-phpunit": "^1.4.6"
+        "phpstan/phpstan-phpunit": "^1"
     },
     "autoload": {
         "psr-4": {