build(deps-dev): bump codecov from 0.2.10 to 0.2.11
build(deps-dev): bump codecov from 0.2.10 to 0.2.11

Bumps [codecov](https://github.com/codecov/codecov-ruby) from 0.2.10 to 0.2.11.
- [Release notes](https://github.com/codecov/codecov-ruby/releases)
- [Changelog](https://github.com/codecov/codecov-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-ruby/compare/v0.2.10...v0.2.11)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
openmensa/openmensa,openmensa/openmensa,openmensa/openmensa,openmensa/openmensa