Bump yoast/phpunit-polyfills from 1.1.0 to 1.1.1 in the composer-dev-…

…dependencies group (#47)

Bump yoast/phpunit-polyfills in the composer-dev-dependencies group

Bumps the composer-dev-dependencies group with 1 update: [yoast/phpunit-polyfills](https://github.com/Yoast/PHPUnit-Polyfills).


Updates `yoast/phpunit-polyfills` from 1.1.0 to 1.1.1
- [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:development
  update-type: version-update:semver-patch
  dependency-group: composer-dev-dependencies
...

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