Update dependency phpunit/phpunit to v12

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 9.6.22 | 12.0.1 |


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

Author: renovate[bot]

composer.json

@@ -45,7 +45,7 @@
         "laminas/laminas-servicemanager": "^3.22.1",
         "laminas/laminas-uri": "^2.12.0",
         "laminas/laminas-view": "^2.35",
-        "phpunit/phpunit": "^9.6.21",
+        "phpunit/phpunit": "^12.0.0",
         "psalm/plugin-phpunit": "^0.19.0",
         "vimeo/psalm": "^5.26.1"
     },