Bump karma-babel-preprocessor from 7.0.0 to 8.0.0
Bump karma-babel-preprocessor from 7.0.0 to 8.0.0

Bumps [karma-babel-preprocessor](https://github.com/babel/karma-babel-preprocessor) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/babel/karma-babel-preprocessor/releases)
- [Commits](https://github.com/babel/karma-babel-preprocessor/compare/v7.0.0...v8.0.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
noveens/js-owncloud-client,noveens/js-owncloud-client,noveens/js-owncloud-client