Bump app version to 7.0.0

Author: Sascha Girrulat

charts/docker-mailserver/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: "6.3.0"
+appVersion: "7.0.0"
 description: A fullstack but simple mailserver (smtp, imap, antispam, antivirus, ssl...) using Docker.
 name: docker-mailserver
 version: 0.2.6

charts/docker-mailserver/values.yaml

@@ -3,7 +3,7 @@ image:
   # image.name is the name of the container image to use. Refer to https://hub.docker.com/r/tvial/docker-mailserver
   name: "tvial/docker-mailserver"
   # image.tag is the tag of the container image to use. Refer to https://hub.docker.com/r/tvial/docker-mailserver
-  tag: "release-v6.1.0"
+  tag: "release-v7.0.0"
   pullPolicy: "IfNotPresent"
 
 initContainer: