Update README of stable/oauth2_proxy (helm#11349)

Signed-off-by: Maxime Guyot <[email protected]>

stable/oauth2-proxy/Chart.yaml

@@ -1,5 +1,5 @@
 name: oauth2-proxy
-version: 0.9.0
+version: 0.9.1
 apiVersion: v1
 appVersion: 3.1.0
 home: http://www.videntity.com/

stable/oauth2-proxy/README.md

@@ -2,8 +2,6 @@
 
 [oauth2-proxy](https://github.com/pusher/oauth2_proxy) is a reverse proxy and static file server that provides authentication using Providers (Google, GitHub, and others) to validate accounts by email, domain or group.
 
-**Note - at this time, there is a known incompatibility between `oauth2-proxy` version 2.2 (which is its latest release) and `nginx-ingress` versions >= 0.9beta12. To utilize this chart at this time please use nginx-ingress version 0.9beta11**
-
 ## TL;DR;
 
 ```console
@@ -51,8 +49,8 @@ Parameter | Description | Default
 `config.existingSecret` | existing Kubernetes secret to use for OAuth2 credentials. See [secret template](https://github.com/helm/charts/blob/master/stable/oauth2-proxy/templates/secret.yaml) for the required values | `nil`
 `extraArgs` | key:value list of extra arguments to give the binary | `{}`
 `image.pullPolicy` | Image pull policy | `IfNotPresent`
-`image.repository` | Image repository | `a5huynh/oauth2_proxy`
-`image.tag` | Image tag | `2.2`
+`image.repository` | Image repository | `quay.io/pusher/oauth2_proxy`
+`image.tag` | Image tag | `v3.1.0`
 `imagePullSecrets` | Specify image pull secrets | `nil` (does not add image pull secrets to deployed pods)
 `ingress.enabled` | enable ingress | `false`
 `nodeSelector` | node labels for pod assignment | `{}`