Update phpunit/phpunit requirement from ^9.5.19 to ^9.5.19 || ^11.0.0

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/11.5.3/ChangeLog-11.5.md)
- [Commits](sebastianbergmann/phpunit@9.5.19...11.5.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -45,7 +45,7 @@
     "require-dev": {
         "ext-json": "*",
         "ext-pdo": "*",
-        "phpunit/phpunit": "^9.5.19",
+        "phpunit/phpunit": "^9.5.19 || ^11.0.0",
         "cakephp/cakephp": "^5.0.2",
         "cakephp/cakephp-codesniffer": "^5.0",
         "symfony/yaml": "^3.4|^4.0|^5.0|^6.0|^7.0"