Bump @prestashop-core/ui-testing in /tests/UI

Bumps [@prestashop-core/ui-testing](https://github.com/PrestaShop/ui-testing-library) from `fa01aff` to `60c81a9`.
- [Release notes](https://github.com/PrestaShop/ui-testing-library/releases)
- [Commits](PrestaShop/ui-testing-library@fa01aff...60c81a9)

---
updated-dependencies:
- dependency-name: "@prestashop-core/ui-testing"
  dependency-type: direct:development
...

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