Update dependency phpunit/phpunit to v13

| datasource | package         | from    | to     |
| ---------- | --------------- | ------- | ------ |
| packagist  | phpunit/phpunit | 11.5.52 | 13.0.1 |


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

Author: renovate[bot]

composer.json

@@ -38,7 +38,7 @@
         "composer/composer": "^2.7.7",
         "laminas/laminas-coding-standard": "~3.1.0",
         "mikey179/vfsstream": "^1.6.11",
-        "phpunit/phpunit": "^11.5.42",
+        "phpunit/phpunit": "^13.0.0",
         "psalm/plugin-phpunit": "^0.19.5",
         "vimeo/psalm": "^6.13.1",
         "webmozart/assert": "^1.11.0"