Update dependency phpunit/phpunit to ^9.6.33 [SECURITY]

| datasource | package         | from  | to     |
| ---------- | --------------- | ----- | ------ |
| packagist  | phpunit/phpunit | 9.6.9 | 9.6.33 |


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

Author: renovate[bot]

composer.json

@@ -21,7 +21,7 @@
     "require-dev": {
         "laminas/laminas-coding-standard": "^2.4.0",
         "phpspec/prophecy-phpunit": "^2.0.1",
-        "phpunit/phpunit": "^9.5.26",
+        "phpunit/phpunit": "^9.6.33",
         "vimeo/psalm": "^5.0.0"
     },
     "autoload": {