Update dependency phpunit/phpunit to v12

Author: renovate[bot]

composer.json

@@ -18,7 +18,7 @@
         "laravel/sail": "^1.41",
         "mockery/mockery": "^1.6",
         "nunomaduro/collision": "^8.6",
-        "phpunit/phpunit": "^11.5.3"
+        "phpunit/phpunit": "^12.0.0"
     },
     "autoload": {
         "psr-4": {