Update dependency phpunit/phpunit to v12

| datasource | package         | from    | to     |
| ---------- | --------------- | ------- | ------ |
| packagist  | phpunit/phpunit | 10.5.45 | 12.0.5 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

composer.json

@@ -30,7 +30,7 @@
   "require-dev": {
     "laminas/laminas-component-installer": "^3.2",
     "laminas/laminas-mvc": "^3.1",
-    "phpunit/phpunit": "^10.0",
+    "phpunit/phpunit": "^12.0",
     "laminas/laminas-test": "^4.8"
   },
   "autoload-dev": {