Update dependency phpunit/phpunit to ^9.6.33 [SECURITY]

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 9.6.22 | 9.6.33 |


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

Author: renovate[bot]

composer.json

@@ -39,7 +39,7 @@
     "require-dev": {
         "laminas/laminas-coding-standard": "~3.1.0",
         "laminas/laminas-i18n": "^2.29.0",
-        "phpunit/phpunit": "^9.6.21",
+        "phpunit/phpunit": "^9.6.33",
         "psalm/plugin-phpunit": "^0.19.0",
         "vimeo/psalm": "^5.26.1"
     },