[stable/concourse] Update image tag to 5.3.0 (#14786)

* [stable/concourse] Update image tag to 5.3.0

Signed-off-by: Bin Ju <bju@pivotal.io>
Co-authored-by: Taylor Silva <tsilva@pivotal.io>
Signed-off-by: Bin Ju <bju@pivotal.io>

* [stable/concourse] Update readme with correct imageTag value

Signed-off-by: Bin Ju <bju@pivotal.io>
Co-authored-by: Taylor Silva <tsilva@pivotal.io>

stable/concourse/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: concourse
-version: 6.4.0
+version: 6.4.1
 appVersion: 5.3.0
 description: Concourse is a simple and scalable CI system.
 icon: https://avatars1.githubusercontent.com/u/7809479

stable/concourse/README.md

@@ -83,7 +83,7 @@ The following table lists the configurable parameters of the Concourse chart and
 | `imageDigest` | Specific image digest to use in place of a tag. | `nil` |
 | `imagePullPolicy` | Concourse image pull policy | `IfNotPresent` |
 | `imagePullSecrets` | Array of imagePullSecrets in the namespace for pulling images | `[]` |
-| `imageTag` | Concourse image version | `5.0.0` |
+| `imageTag` | Concourse image version | `5.3.0` |
 | `image` | Concourse image | `concourse/concourse` |
 | `nameOverride` | Provide a name in place of `concourse` for `app:` labels | `nil` |
 | `persistence.enabled` | Enable Concourse persistence using Persistent Volume Claims | `true` |

stable/concourse/values.yaml

@@ -19,7 +19,7 @@ image: concourse/concourse
 ##      of `concourse/concourse`.
 ## Ref: https://hub.docker.com/r/concourse/concourse/tags/
 ##
-imageTag: "5.2.0"
+imageTag: "5.3.0"
 
 ## Specific image digest to use in place of a tag.
 ## Ref: https://kubernetes.io/docs/concepts/configuration/overview/#container-images