Bump yoast/phpunit-polyfills from 2.0.1 to 3.0.0

Bumps [yoast/phpunit-polyfills](https://github.com/Yoast/PHPUnit-Polyfills) from 2.0.1 to 3.0.0.
- [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@2.0.1...3.0.0)

---
updated-dependencies:
- dependency-name: yoast/phpunit-polyfills
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

composer.json

@@ -32,7 +32,7 @@
         "dealerdirect/phpcodesniffer-composer-installer": "^1.0.0",
         "phpunit/phpunit": "^6 || ^7",
         "phpcompatibility/php-compatibility": "^9.3",
-        "yoast/phpunit-polyfills": "^2.0"
+        "yoast/phpunit-polyfills": "^3.0"
     },
     "scripts": {
         "lint": [