Update dependency phpunit/phpunit to v13

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 9.6.34 | 13.0.6 |


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

Author: renovate[bot]

composer.json

@@ -47,7 +47,7 @@
     "laminas/laminas-hydrator" : "^4.6"
   },
   "require-dev" : {
-    "phpunit/phpunit" : "^9.5.4",
+    "phpunit/phpunit" : "^13.0.0",
     "squizlabs/php_codesniffer" : "^3.5.5",
     "laminas/laminas-captcha" : "^2.14"
   },