Use openstackcluster v1beta1

v1beta1 has been supported in cluster-api-openstack-provider since 0.10.0 [1].

[1] https://github.com/kubernetes-sigs/cluster-api-provider-openstack/releases/tag/v0.10.0

Change-Id: I62b0661e7e0e1bed9d64562db0fe156adfc3b4f6
Signed-off-by: Jake Yip <jake.yip@ardc.edu.au>

magnum_capi_helm/kubernetes.py

@@ -291,7 +291,7 @@ class Cluster(Resource):
 
 
 class OpenstackCluster(Resource):
-    api_version = "infrastructure.cluster.x-k8s.io/v1alpha6"
+    api_version = "infrastructure.cluster.x-k8s.io/v1beta1"
 
 
 class MachineDeployment(Resource):

releasenotes/notes/openstackcluster-v1beta1-2699449249aa0e27.yaml

@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    OpenStackCluster API usage has been updated from v1alpha6 to v1beta1.
+    Before upgrading, cluster-api-provider-openstack should be upgraded to at
+    least v0.10.0, as this is the first version that provides v1beta1.