Composer:(deps-dev): Update yoast/phpunit-polyfills requirement || ^3.0

Updates the requirements on [yoast/phpunit-polyfills](https://github.com/Yoast/PHPUnit-Polyfills) to permit the latest version.
- [Release notes](https://github.com/Yoast/PHPUnit-Polyfills/releases)
- [Changelog](https://github.com/Yoast/PHPUnit-Polyfills/blob/3.x/CHANGELOG.md)
- [Commits](Yoast/PHPUnit-Polyfills@1.0.0...3.0.0)

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

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

composer.json

@@ -33,7 +33,7 @@
         "php-parallel-lint/php-console-highlighter": "^1.0.0",
         "phpcsstandards/phpcsdevcs": "^1.1.3",
         "phpcsstandards/phpcsutils" : "^1.0",
-        "yoast/phpunit-polyfills": "^1.0"
+        "yoast/phpunit-polyfills": "^1.0 || ^3.0"
     },
     "config": {
         "allow-plugins": {