CRDs: use apiextensions.k8s.io/v1 (#1202)

CHANGELOG.md

@@ -53,6 +53,7 @@
 - Kafka: split metadata and config for SASL and TLS ([#1074](https://github.com/kedacore/keda/pull/1074))
 - Service Bus: `queueLength` is now called `messageCount` ([#1109](https://github.com/kedacore/keda/issues/1109))
 - Use `host` instead of `apiHost` in `rabbitmq` scaler. Add `protocol` in trigger spec to specify which protocol should be used ([#1115](https://github.com/kedacore/keda/pull/1115))
+- CRDs are using `apiextensions.k8s.io/v1` apiVersion ([#1202](https://github.com/kedacore/keda/pull/1202))
 
 ### Other
 - Change API optional structs to pointers to conform with k8s guide ([#1170](https://github.com/kedacore/keda/issues/1170))

Makefile

@@ -151,7 +151,7 @@ adapter: generate gofmt govet
 # Generate manifests e.g. CRD, RBAC etc.
 .PHONY: manifests
 manifests: controller-gen
-	$(CONTROLLER_GEN) crd:crdVersions=v1beta1 rbac:roleName=keda-operator paths="./..." output:crd:artifacts:config=config/crd/bases
+	$(CONTROLLER_GEN) crd:crdVersions=v1 rbac:roleName=keda-operator paths="./..." output:crd:artifacts:config=config/crd/bases
 	# withTriggers is only used for duck typing so we only need the deepcopy methods
 	# However operator-sdk generate doesn't appear to have an option for that
 	# until this issue is fixed: https://github.com/kubernetes-sigs/controller-tools/issues/398