Update dev dependencies

Author: renovate[bot]

composer.json

@@ -14,11 +14,11 @@
     },
     "require-dev": {
         "benjaminmal/coding-standard": "^1.1.1",
-        "phpstan/phpstan": "^1.10.6",
+        "phpstan/phpstan": "^2.1.22",
         "phpstan/extension-installer": "^1.2",
-        "symfony/var-dumper": "^5.4 || ^6.1.6",
-        "phpunit/phpunit": "^9.6.5",
-        "phpstan/phpstan-phpunit": "^1.3.10",
+        "symfony/var-dumper": "^5.4 || ^6.1.6 || ^7.0.0",
+        "phpunit/phpunit": "^12.3.4",
+        "phpstan/phpstan-phpunit": "^2.0.7",
         "php-parallel-lint/php-var-dump-check": "^0.5.0"
     },
     "autoload": {