chore(deps-dev): update mocha requirement from 6.1.4 to 6.2.0
chore(deps-dev): update mocha requirement from 6.1.4 to 6.2.0

Updates the requirements on [mocha](https://github.com/mochajs/mocha) to permit the latest version.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mochajs/mocha/compare/v6.1.4...v6.2.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
apiaryio/curl-trace-parser,apiaryio/curl-trace-parser