chore(deps-dev): update phpunit/phpunit requirement

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/11.0.8/ChangeLog-11.0.md)
- [Commits](sebastianbergmann/phpunit@10.5.13...11.0.8)

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

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

composer.json

@@ -24,7 +24,7 @@
         "laravel/pint": "^1.14",
         "mockery/mockery": "^1.6.9",
         "orchestra/testbench": "^9.0",
-        "phpunit/phpunit": "^10.5.13"
+        "phpunit/phpunit": "^11.0.8"
     },
     "config": {
         "sort-packages": true