Bump yoast/wp-test-utils from 1.1.1 to 1.2.0

Bumps [yoast/wp-test-utils](https://github.com/Yoast/wp-test-utils) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/Yoast/wp-test-utils/releases)
- [Changelog](https://github.com/Yoast/wp-test-utils/blob/develop/CHANGELOG.md)
- [Commits](Yoast/wp-test-utils@1.1.1...1.2.0)

---
updated-dependencies:
- dependency-name: yoast/wp-test-utils
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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