chore(deps-dev): bump yoast/phpunit-polyfills from 1.1.4 to 4.0.0

Bumps [yoast/phpunit-polyfills](https://github.com/Yoast/PHPUnit-Polyfills) from 1.1.4 to 4.0.0.
- [Release notes](https://github.com/Yoast/PHPUnit-Polyfills/releases)
- [Changelog](https://github.com/Yoast/PHPUnit-Polyfills/blob/4.x/CHANGELOG.md)
- [Commits](Yoast/PHPUnit-Polyfills@1.1.4...4.0.0)

---
updated-dependencies:
- dependency-name: yoast/phpunit-polyfills
  dependency-version: 4.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

composer.json

@@ -7,7 +7,7 @@
 		"automattic/vipwpcs": "^3.0",
 		"phpunit/phpunit": "^9.6",
 		"wp-phpunit/wp-phpunit": "^6.2",
-		"yoast/phpunit-polyfills": "^1.0",
+		"yoast/phpunit-polyfills": "^4.0",
 		"wp-cli/i18n-command": "^v2.6",
 		"squizlabs/php_codesniffer": "^3.13"
 	},