chore(deps-dev): bump coveralls from 2.0.0 to 2.1.0
chore(deps-dev): bump coveralls from 2.0.0 to 2.1.0

Bumps [coveralls](https://github.com/coveralls-clients/coveralls-python) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/coveralls-clients/coveralls-python/releases)
- [Changelog](https://github.com/coveralls-clients/coveralls-python/blob/master/CHANGELOG.md)
- [Commits](https://github.com/coveralls-clients/coveralls-python/compare/2.0.0...2.1.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
boris-p/ladybug,boris-p/ladybug