Update phpunit/phpunit requirement from ^9.5 to ^9.5 || ^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/11.5.1/ChangeLog-11.5.md)
- [Commits](sebastianbergmann/phpunit@9.5.0...11.5.1)

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

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

composer.json

@@ -25,7 +25,7 @@
 	"require-dev": {
 		"squizlabs/php_codesniffer": "^3.0",
 		"mediawiki/minus-x": "^0.3 || ^1.0",
-		"phpunit/phpunit": "^9.5",
+		"phpunit/phpunit": "^9.5 || ^11.0",
 		"symfony/cache": "^5.4|^6.4|^7.0",
 		"symfony/var-dumper": "^5.4|^6.4|^7.0",
 		"php-parallel-lint/php-parallel-lint": "^1.3",