Update dependency phpunit/phpunit to v13

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 12.5.2 | 13.0.0 |


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

Author: renovate[bot]

composer.json

@@ -15,7 +15,7 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "^3.1",
-        "phpunit/phpunit": "^12.5",
+        "phpunit/phpunit": "^13.0",
         "psalm/plugin-phpunit": "^0.19.5",
         "squizlabs/php_codesniffer": "^3.13",
         "vimeo/psalm": "^6.14"