[TASK] Update PHPUnit

| datasource | package         | from    | to     |
| ---------- | --------------- | ------- | ------ |
| packagist  | phpunit/phpcov  | 9.0.2   | 11.0.0 |
| packagist  | phpunit/phpunit | 11.5.9  | 12.0.4 |
| packagist  | phpunit/phpunit | 10.5.45 | 12.0.4 |

Author: renovate[bot]

composer.json

@@ -13,7 +13,7 @@
 	],
 	"require": {
 		"php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
-		"phpunit/phpunit": "^10.4 || ^11.0"
+		"phpunit/phpunit": "^10.4 || ^11.0 || ^12.0"
 	},
 	"require-dev": {
 		"armin/editorconfig-cli": "^1.8 || ^2.0",
@@ -23,8 +23,8 @@
 		"ergebnis/composer-normalize": "^2.30",
 		"phpstan/extension-installer": "^1.2",
 		"phpstan/phpstan-phpunit": "^2.0",
-		"phpunit/phpcov": "^9.0 || ^10.0",
-		"phpunit/phpunit": "^10.5.35 || ^11.4",
+		"phpunit/phpcov": "^9.0 || ^10.0 || ^11.0",
+		"phpunit/phpunit": "^10.5.35 || ^11.4 || ^12.0",
 		"symfony/console": "^6.4 || ^7.0"
 	},
 	"autoload": {