set kapacitor to 1.5.1 (#7790)

stable/kapacitor/Chart.yaml

 name: kapacitor
-version: 1.0.0
-appVersion: 1.6.2
+version: 1.1.0
+appVersion: 1.5.1
 description: InfluxDB's native data processing engine. It can process both stream
   and batch data from InfluxDB.
 keywords:

stable/kapacitor/README.md

@@ -48,7 +48,7 @@ The following table lists the configurable parameters of the Kapacitor chart and
 | Parameter               | Description                           | Default                                                    |
 | ----------------------- | ----------------------------------    | ---------------------------------------------------------- |
 | `image.repository` | Kapacitor image | `kapacitor` |
-| `image.tag` | Kapacitor image version | `1.6.2-alpine` |
+| `image.tag` | Kapacitor image version | `1.5.1-alpine` |
 | `image.pullPolicy` | Kapacitor image pull policy |  `IfNotPresent` |
 | `service.type` | Kapacitor web service type  | `ClusterIP` |
 | `persistence.enabled` | Enable Kapacitor persistence using Persistent Volume Claims | `false` |

stable/kapacitor/values.yaml

@@ -3,7 +3,7 @@
 ##
 image:
   repository: "kapacitor"
-  tag: "1.6.2-alpine"
+  tag: "1.5.1-alpine"
   pullPolicy: "IfNotPresent"
 
 ## Specify a service type, defaults to NodePort