fix: dev dependencies not installable with Laravel 12 because of phpstan incompatibilities

Author: tpetry

Diff for: composer.json

@@ -28,8 +28,8 @@
         "nunomaduro/larastan": "^1.0|^2.0|^3.0",
         "orchestra/testbench": "^4.0|^5.0|^6.0|^7.0|^8.0|^9.0|^10.0",
         "phpstan/extension-installer": "^1.1",
-        "phpstan/phpstan-deprecation-rules": "^1.0",
-        "phpstan/phpstan-phpunit": "^1.0"
+        "phpstan/phpstan-deprecation-rules": "^1.0|^2.0",
+        "phpstan/phpstan-phpunit": "^1.0|^2.0"
     },
     "autoload": {
         "psr-4": {