Bump karma-junit-reporter from 1.2.0 to 2.0.1 in /build
Bump karma-junit-reporter from 1.2.0 to 2.0.1 in /build

Bumps [karma-junit-reporter](https://github.com/karma-runner/karma-junit-reporter) from 1.2.0 to 2.0.1.
- [Release notes](https://github.com/karma-runner/karma-junit-reporter/releases)
- [Changelog](https://github.com/karma-runner/karma-junit-reporter/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma-junit-reporter/compare/v1.2.0...v2.0.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
owncloud/core,phil-davis/core,owncloud/core,owncloud/core,owncloud/core,owncloud/core