[stable/oauth2-proxy] Bump default image to version 3.1.0 for TLS updates (#11338)

The 3.0.0 container by default has older TLS ca certificates
causing issues on GKE environment. Resolve by moving to 3.1.0.

Signed-off-by: Don Bowman <db@donbowman.ca>

stable/oauth2-proxy/Chart.yaml

@@ -1,7 +1,7 @@
 name: oauth2-proxy
-version: 0.8.0
+version: 0.9.0
 apiVersion: v1
-appVersion: 3.0.0
+appVersion: 3.1.0
 home: http://www.videntity.com/
 description: A reverse proxy that provides authentication with Google, Github or other providers
 keywords:

stable/oauth2-proxy/values.yaml

@@ -18,7 +18,7 @@ config:
 
 image:
   repository: "quay.io/pusher/oauth2_proxy"
-  tag: "v3.0.0"
+  tag: "v3.1.0"
   pullPolicy: "IfNotPresent"
 
 # Optionally specify an array of imagePullSecrets.