fixed secure producer failing because of min ISR not yet (#208)

thanks @coughman ! lgtm

Author: coughman

security/autogenerated-tls_only/secure-producer-app-data.yaml

@@ -5,7 +5,7 @@ metadata:
   name: elastic-0
   namespace: confluent
 spec:
-  replicas: 1
+  replicas: 3
   partitionCount: 1
   configs:
     cleanup.policy: "delete"