Require PHPstan 2

Author: pb30

composer.json

@@ -5,7 +5,7 @@
     "keywords": ["dev", "static analysis"],
     "require": {
         "php": "~8.1|~8.2|~8.3",
-        "phpstan/phpstan": "^1.12.0",
+        "phpstan/phpstan": "^2.0.3",
         "shipmonk/composer-dependency-analyser": "1.8.1"
     },
     "autoload": {