Merge pull request #574 from lilic/bump-prom-op-40

docs/developing-prometheus-rules-and-grafana-dashboards.md

jsonnet/kube-prometheus/jsonnetfile.json

jsonnetfile.lock.json

manifests/grafana-dashboardDefinitions.yaml

manifests/prometheus-operator-serviceMonitor.yaml

manifests/prometheus-rules.yaml

...metheus-operator-0prometheusCustomResourceDefinition.yaml

...etheus-operator-0thanosrulerCustomResourceDefinition.yaml

manifests/setup/prometheus-operator-clusterRole.yaml

manifests/setup/prometheus-operator-clusterRoleBinding.yaml

manifests/setup/prometheus-operator-deployment.yaml

manifests/setup/prometheus-operator-service.yaml

manifests/setup/prometheus-operator-serviceAccount.yaml