Bump codecov from 3.8.0 to 3.8.1
Bump codecov from 3.8.0 to 3.8.1

Bumps [codecov](https://github.com/codecov/codecov-node) from 3.8.0 to 3.8.1.
- [Release notes](https://github.com/codecov/codecov-node/releases)
- [Changelog](https://github.com/codecov/codecov-node/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-node/compare/v3.8.0...v3.8.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
schul-cloud/schulcloud-server,schul-cloud/schulcloud-server,schul-cloud/schulcloud-server