Update phpunit/phpunit requirement from ^10.3.2 to ^11.5.3

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/11.5.3/ChangeLog-11.5.md)
- [Commits](sebastianbergmann/phpunit@10.3.2...11.5.3)

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

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

Author: dependabot[bot]

composer.json

@@ -25,7 +25,7 @@
         "symfony/http-client": "^7.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.3.2",
+        "phpunit/phpunit": "^11.5.3",
         "laravel/pint": "^1.0",
         "spatie/ray": "^1.28"
     },