Return kustomize to the release target (#232)

Makefile

@@ -256,7 +256,7 @@ deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in
 undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
 	$(KUSTOMIZE) build config/default | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
 
-release: ## Release operator docker imager and helm chart.
+release: kustomize ## Release operator docker imager and helm chart.
 	docker build ${DOCKER_BUILD_ARGS} -t $(OPERATOR_IMAGE):${RELEASE_VERSION} .
 	docker push $(OPERATOR_IMAGE):${RELEASE_VERSION}
 	cd config/manager && $(KUSTOMIZE) edit set image controller=$(OPERATOR_IMAGE):${RELEASE_VERSION}