[ko] Replace deprecated API version

Author: Arhell

content/ko/examples/admin/sched/my-scheduler.yaml

@@ -37,7 +37,7 @@ metadata:
   namespace: kube-system
 data:
   my-scheduler-config.yaml: |
-    apiVersion: kubescheduler.config.k8s.io/v1beta2
+    apiVersion: kubescheduler.config.k8s.io/v1
     kind: KubeSchedulerConfiguration
     profiles:
       - schedulerName: my-scheduler