Update root-composer

Author: renovate[bot]

Diff for: composer.json

@@ -21,12 +21,12 @@
 		"nette/application": "^3.0",
 		"nette/di": "^3.1.10",
 		"nette/forms": "^3.0",
-		"nette/utils": "^2.3.0 || ^3.0.0",
+		"nette/utils": "^4.0.0",
 		"php-parallel-lint/php-parallel-lint": "^1.2",
 		"phpstan/phpstan-deprecation-rules": "^2.0",
 		"phpstan/phpstan-phpunit": "^2.0",
 		"phpstan/phpstan-strict-rules": "^2.0",
-		"phpunit/phpunit": "^9.6"
+		"phpunit/phpunit": "^12.0"
 	},
 	"config": {
 		"platform": {