Update dependency phpunit/phpunit to v11

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 9.6.15 | 11.0.0 |


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

composer.json

@@ -20,7 +20,7 @@
         "laminas/laminas-cache-storage-adapter-test": "^2.0 || 2.0.x-dev",
         "laminas/laminas-coding-standard": "~2.4",
         "laminas/laminas-serializer": "^2.14.0",
-        "phpunit/phpunit": "^9.5.26",
+        "phpunit/phpunit": "^11.0.0",
         "psalm/plugin-phpunit": "^0.18.0",
         "vimeo/psalm": "^5.18"
     },