Update dependency phpunit/phpunit to v11

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 10.2.6 | 11.2.1 |


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

composer.json

@@ -26,7 +26,7 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "^2.4.0",
-        "phpunit/phpunit": "10.2.6",
+        "phpunit/phpunit": "11.2.1",
         "psalm/plugin-phpunit": "^0.18.4",
         "phpstan/phpstan": "1.10.25",
         "laminas/laminas-test": "^4.8",