Update yoast/phpunit-polyfills requirement from ^1.1.0 to ^1.1.1

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/2.x/CHANGELOG.md)
- [Commits](Yoast/PHPUnit-Polyfills@1.1.0...1.1.1)

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

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

composer.json

@@ -20,7 +20,7 @@
  "johnbillion/query-monitor": "^3.15.0",
  "altis/dev-tools-command": "^0.7.2",
  "wp-phpunit/wp-phpunit": "6.4.2",
- "yoast/phpunit-polyfills": "^1.1.0",
+ "yoast/phpunit-polyfills": "^1.1.1",
  "phpunit/phpunit": "^9.6.17",
  "lucatume/wp-browser": "~3.1.5",
  "codeception/module-asserts": "~1.3.1",