[stable/vault-operator] deprecating chart (#24410)

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

stable/vault-operator/Chart.yaml

@@ -1,12 +1,10 @@
 apiVersion: v1
-description: CoreOS vault-operator Helm chart for Kubernetes
+description: DEPRECATED - CoreOS vault-operator Helm chart for Kubernetes
 name: vault-operator
-version: 0.1.3
+version: 0.1.4
 appVersion: 0.1.9
 home: https://github.com/coreos/vault-operator
 icon: https://s3.amazonaws.com/hashicorp-marketing-web-assets/brand/Vault_VerticalLogo_FullColor.B1xPC0pSax.svg
 sources:
 - https://github.com/coreos/vault-operator
-maintainers:
-- name: mlaccetti
-  email: michael@laccetti.com
+deprecated: true

stable/vault-operator/OWNERS

@@ -1,4 +0,0 @@
-approvers:
-- mlaccetti
-reviewers:
-- mlaccetti

stable/vault-operator/README.md

@@ -11,6 +11,10 @@ configuration and management.
 __DISCLAIMER:__ While this chart has been well-tested, the vault-operator is still currently in beta.
 Current project status is available [here](https://github.com/coreos/vault-operator).
 
+## DEPRECATION NOTICE
+
+This chart is deprecated and no longer supported.
+
 ## Introduction
 
 This chart bootstraps a vault-operator and allows the deployment of vault cluster(s). It depends on the `etcd-operator` being installed.