Update karma-babel-preprocessor requirement from ^6.0.1 to ^7.0.0
Update karma-babel-preprocessor requirement from ^6.0.1 to ^7.0.0

Updates the requirements on [karma-babel-preprocessor](https://github.com/babel/karma-babel-preprocessor) to permit the latest version.
- [Release notes](https://github.com/babel/karma-babel-preprocessor/releases)
- [Commits](https://github.com/babel/karma-babel-preprocessor/compare/v6.0.1...v7.0.0)

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