Bump api-clients/test-utilities from 4.3.0 to 4.3.1

Bumps [api-clients/test-utilities](https://github.com/php-api-clients/test-utilities) from 4.3.0 to 4.3.1.
- [Release notes](https://github.com/php-api-clients/test-utilities/releases)
- [Commits](php-api-clients/test-utilities@4.3.0...4.3.1)

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

Author: dependabot-support