Bump ddt from 1.4.1 to 1.4.2
Bumps [ddt](https://github.com/datadriventests/ddt) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/datadriventests/ddt/releases)
- [Commits](https://github.com/datadriventests/ddt/compare/1.4.1...1.4.2)
Signed-off-by: dependabot-preview[bot] <[email protected]>