try if we can upgrade to latest redis chart

Author: jschaul

charts/redis-ephemeral/requirements.yaml

@@ -1,9 +1,9 @@
 dependencies:
 - name: redis
-  version: 11.3.4
+  version: 20.6.3
   # Use helm repo from the git repo because bitnami removed charts from the
   # official index to keep the index small. On next upgrade, this should be
   # changed to use the official repo. Context:
   # https://github.com/bitnami/charts/issues/10539
-  repository: https://raw.githubusercontent.com/bitnami/charts/defb094c658024e4aa8245622dab202874880cbc/bitnami/
+  repository: https://charts.bitnami.com/bitnami
   alias: redis-ephemeral

charts/redis-ephemeral/values.yaml

@@ -1,8 +1,8 @@
 redis-ephemeral:
   usePassword: false
-  # We use a single node redis for now. In the future
-  # it will be very easy to move to a sentinel based setup
-  cluster:
+  # We use a single node redis for now.
+  architecture: standalone
+  auth:
     enabled: false
   master:
     persistence: