Update dependency phpunit/phpunit to v12

| datasource | package         | from    | to     |
| ---------- | --------------- | ------- | ------ |
| packagist  | phpunit/phpunit | 10.0.19 | 12.0.1 |

Author: renovate[bot]

composer.json

@@ -21,7 +21,7 @@
         "phpstan/phpstan-deprecation-rules": "^1.1.3",
         "phpstan/phpstan-phpunit": "^1.3.11",
         "phpstan/phpstan-strict-rules": "^1.5.1",
-        "phpunit/phpunit": "^10.0.19"
+        "phpunit/phpunit": "^12.0.0"
     },
     "autoload": {
         "psr-4": {