The previous value included only the `<group>.<version>`, e.g. `monitoring.coreos.com/v1`.
But Helm charts actually also check for e.g. `monitoring.coreos.com/v1/ServiceMonitor`. For this reason we need both.
- Support for module features
- Remove kubenix.module and rather use explicit modules
- Make tests framework independent of k8s module
- Remove metacontroller submodule, which will go to kubenix-modules
- Improved submodule propagation and passthru
- Added additional test for k8s-submodule