Bump lolex from 2.7.0 to 2.7.5
Bump lolex from 2.7.0 to 2.7.5

Bumps [lolex](https://github.com/sinonjs/lolex) from 2.7.0 to 2.7.5.
- [Release notes](https://github.com/sinonjs/lolex/releases)
- [Changelog](https://github.com/sinonjs/lolex/blob/master/History.md)
- [Commits](https://github.com/sinonjs/lolex/compare/v2.7.0...v2.7.5)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
sue445/chrome-gitlab-notifier,sue445/chrome-gitlab-notifier