build(deps-dev): update phpunit/phpunit requirement || ^11.0

Updates the requirements on [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) to permit the latest version.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/11.3.1/ChangeLog-11.3.md)
- [Commits](sebastianbergmann/phpunit@10.0.0...11.3.1)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -49,7 +49,7 @@
         "graham-campbell/testbench": "^6.0",
         "laravel/pint": "^1.14",
         "mockery/mockery": "^1.4.4",
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^10.0 || ^11.0"
     },
     "suggest": {
         "barryvdh/laravel-debugbar": "View debug information in responses."