chore(deps): update dependency phpunit/phpunit to v12

Author: renovate[bot]

composer.json

@@ -17,7 +17,7 @@
         "php": ">=7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "7.5.1"
+        "phpunit/phpunit": "12.0.5"
     },
     "autoload": {
         "psr-4": {