Update dependency phpunit/phpunit to v11

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 9.6.10 | 11.1.0 |


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

composer.json

@@ -20,7 +20,7 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.5.0",
-        "phpunit/phpunit": "9.6.10",
+        "phpunit/phpunit": "11.1.0",
         "psalm/plugin-phpunit": "^0.18.0",
         "roave/security-advisories": "dev-master",
         "vimeo/psalm": "^5.0.0"