Update PHPStan packages to v2

Author: renovate[bot]

tools/phpstan/composer.json

@@ -1,8 +1,8 @@
 {
     "require": {
-        "phpstan/phpstan": "^1.10",
+        "phpstan/phpstan": "^2.0",
         "phpstan/extension-installer": "^1.2",
-        "phpstan/phpstan-doctrine": "^1.3",
+        "phpstan/phpstan-doctrine": "^2.0",
         "phpstan/phpstan-symfony": "^1.2"
     },
     "config": {