[stable/percona] deprecating chart (#24376)

Signed-off-by: Matt Farina <matt@mattfarina.com>

stable/percona/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v1
 name: percona
-version: 1.2.2
+version: 1.2.3
 appVersion: 5.7.26
-description: free, fully compatible, enhanced, open source drop-in replacement for
+description: DEPRECATED - free, fully compatible, enhanced, open source drop-in replacement for
   MySQL
 keywords:
 - mysql
@@ -14,7 +14,5 @@ icon: https://www.percona.com/sites/all/themes/percona2015/logo.png
 sources:
 - https://github.com/kubernetes/charts
 - https://github.com/docker-library/percona
-maintainers:
-- name: CaptTofu
-  email: patg@patg.net
+deprecated: true
 engine: gotpl

stable/percona/README.md

@@ -9,6 +9,10 @@ For more information, see the Helm Charts [Deprecation and Archive Notice](https
 
 Notable users include Netflix, Amazon Web Services, Alcatel-Lucent, and Smug Mug.
 
+## DEPRECATION NOTICE
+
+This chart is deprecated and no longer supported.
+
 ## Introduction
 
 This chart, based off of the MySQL chart,  bootstraps a single node Percona Server deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.