[stable/drone] Updated drone-dind image to 18.06.1. (#7667)

Signed-off-by: Jonathan Davies <jpds@protonmail.com>

stable/drone/Chart.yaml

@@ -1,7 +1,7 @@
 name: drone
 home: https://drone.io/
 icon: https://drone.io/apple-touch-icon.png
-version: 1.5.0
+version: 1.6.0
 appVersion: 0.8.6
 description: Drone is a Continuous Delivery system built on container technology
 keywords:

stable/drone/README.md

@@ -40,7 +40,7 @@ The following table lists the configurable parameters of the drone charts and th
 | `images.agent.tag`          | Drone **agent** image tag                                                                     | `0.8.6`                     |
 | `images.agent.pullPolicy`   | Drone **agent** image pull policy                                                             | `IfNotPresent`              |
 | `images.dind.repository`    | Docker **dind** image                                                                         | `docker.io/library/docker`  |
-| `images.dind.tag`           | Docker **dind** image tag                                                                     | `17.12.0-ce-dind`           |
+| `images.dind.tag`           | Docker **dind** image tag                                                                     | `18.06.1-ce-dind`           |
 | `images.dind.pullPolicy`    | Docker **dind** image pull policy                                                             | `IfNotPresent`              |
 | `service.httpPort`          | Drone's Web GUI HTTP port                                                                     | `80`                        |
 | `service.nodePort`          | If `service.type` is `NodePort` and this is non-empty, sets the http node port of the service | `32015`                     |

stable/drone/values.yaml

@@ -22,7 +22,7 @@ images:
   ##
   dind:
     repository: "docker.io/library/docker"
-    tag: 17.12.0-ce-dind
+    tag: 18.06.1-ce-dind
     pullPolicy: IfNotPresent
 
 service: