Update helm values docker.io/bitnami/redis to v6.2.6

Signed-off-by: Renovate Bot <[email protected]>

Author: renovate-bot

appuio/redis/values.yaml

@@ -19,7 +19,7 @@ image:
   repository: bitnami/redis
   # -- Redis image tag (immutable tags are recommended)
   ## ref: https://github.com/bitnami/bitnami-docker-redis#supported-tags-and-respective-dockerfile-links
-  tag: 6.2.1-debian-10-r36
+  tag: 6.2.6-debian-10-r36
   # -- Redis image pull policy
   # Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'
   ## ref: http://kubernetes.io/docs/user-guide/images/#pre-pulling-images