Bump testng from 7.1.0 to 7.3.0 (#148)
Bump testng from 7.1.0 to 7.3.0 (#148)

Bumps [testng](https://github.com/cbeust/testng) from 7.1.0 to 7.3.0.
- [Release notes](https://github.com/cbeust/testng/releases)
- [Changelog](https://github.com/cbeust/testng/blob/master/CHANGES.txt)
- [Commits](https://github.com/cbeust/testng/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
spring-cloud-samples/spring-cloud-contract-samples,spring-cloud-samples/spring-cloud-contract-samples,spring-cloud-samples/spring-cloud-contract-samples,spring-cloud-samples/spring-cloud-contract-samples,spring-cloud-samples/spring-cloud-contract-samples