Update to the new kind v1alpha3 API
-# three node (two workers) cluster config
-kind: Config
-apiVersion: kind.sigs.k8s.io/v1alpha2
+kind: Cluster
+apiVersion: kind.sigs.k8s.io/v1alpha3
nodes:
- role: control-plane
- role: worker
- replicas: 2
+- role: worker
