Update dependency phpunit/phpunit to v11

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 9.6.10 | 11.0.0 |


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

Author: renovate[bot]

composer.json

@@ -56,7 +56,7 @@
         "laminas/laminas-feed": "^2.20",
         "laminas/laminas-serializer": "^2.14",
         "phpbench/phpbench": "^1.2.7",
-        "phpunit/phpunit": "^9.5.27",
+        "phpunit/phpunit": "^11.0.0",
         "psalm/plugin-phpunit": "^0.18.4",
         "vimeo/psalm": "^5.4"
     },