fix redis-ha NOTE.txt, stable/redis-ha don't create master-0 pod (#6131)

stable/redis-ha/Chart.yaml

@@ -5,7 +5,7 @@ keywords:
 - redis
 - keyvalue
 - database
-version: 2.2.0
+version: 2.2.1
 appVersion: 4.0.8-r0
 description: Highly available Redis cluster with multiple sentinels and standbys.
 icon: https://upload.wikimedia.org/wikipedia/en/thumb/6/6b/Redis_Logo.svg/1200px-Redis_Logo.svg.png

stable/redis-ha/templates/NOTES.txt

@@ -18,7 +18,7 @@ To connect to your Redis server:
 {{- else }}
 1. Run a Redis pod that you can use as a client:
 
-   kubectl exec -it {{ template "redis-ha.fullname" . }}-master-0 bash
+   kubectl exec -it $(kubectl get pod -o jsonpath='{range .items[*]}{.metadata.name} {.status.containerStatuses[0].state}{"\n"}{end}' -l redis-role=master | grep running | awk '{print $1}') bash
 
 2. Connect using the Redis CLI: