Grafana k8s Monitoring

What's Changed

• Set CURRENT_CLUSTER_ID_FILTER_ENABLED to enable the cluster filter in OpenCost queries by @petewall in https://github.com/grafana/k8s-monitoring-helm/pull/238

Full Changelog: https://github.com/grafana/k8s-monitoring-helm/compare/v0.4.0...v0.4.1