Add deprecation notice for stable/kiam. (helm#17959)

Signed-off-by: Kit Ewbank <Kit_Ewbank@hotmail.com>

stable/kiam/Chart.yaml

@@ -1,8 +1,12 @@
+# This version of the kiam Helm chart is deprecated.
+# All future updates should be instead made to the uSwitch-hosted Helm chart,
+# located at https://github.com/uswitch/kiam/tree/master/helm/kiam.
+deprecated: true
 apiVersion: v1
 name: kiam
-version: 2.5.2
+version: 2.5.3
 appVersion: 3.3
-description: Integrate AWS IAM with Kubernetes
+description: DEPRECATED Integrate AWS IAM with Kubernetes
 keywords:
   - kiam
   - aws
@@ -11,7 +15,4 @@ keywords:
 home: https://github.com/uswitch/kiam
 sources:
   - https://github.com/uswitch/kiam
-maintainers:
-  - name: ewbankkit
-    email: Kit_Ewbank@hotmail.com
 engine: gotpl

stable/kiam/README.md

@@ -2,9 +2,9 @@
 
 Installs [kiam](https://github.com/uswitch/kiam) to integrate AWS IAM with Kubernetes.
 
-## Pre-deprecation Notice
+## Deprecation Notice
 
-As mentioned in #16664, this chart will be deprecated in favour of the [uSwitch-hosted Helm chart](https://github.com/uswitch/kiam/tree/master/helm/kiam).
+As mentioned in #16664, this chart has been deprecated in favour of the [uSwitch-hosted Helm chart](https://github.com/uswitch/kiam/tree/master/helm/kiam).
 Please open new [issues](https://github.com/uswitch/kiam/issues/new) and pull requests in the [uSwitch repository](https://github.com/uswitch/kiam).
 
 The chart is also available in [Helm Hub](https://hub.helm.sh/charts/uswitch/kiam).

stable/kiam/templates/NOTES.txt

@@ -1,3 +1,7 @@
+This version of the kiam Helm chart is deprecated.
+All future updates should be instead made to the uSwitch-hosted Helm chart,
+located at https://github.com/uswitch/kiam/tree/master/helm/kiam.
+
 To verify that kiam has started, run:
 
   kubectl --namespace={{ .Release.Namespace }} get pods -l "app={{ template "kiam.name" . }},release={{ .Release.Name }}"