Changed to standard version instead of hashes

public/v4/apps/grafana.yml

@@ -1,7 +1,7 @@
 captainVersion: 4
 services:
     $$cap_appname:
-        image: grafana/grafana@$$cap_version
+        image: grafana/grafana:$$cap_version
         restart: always
         volumes:
             - $$cap_appname-config:/etc/grafana
@@ -11,8 +11,8 @@ services:
 caproverOneClickApp:
     variables:
         - label: Grafana Docker Hash
-          defaultValue: sha256:4171e7e8c44bb17f9e5bffdcd3710a6d624828d73b4eb638682543c5ce86bbe9
-          description: Starts with 'sha256:'.  Find on Docker Hub.  Default is latest as of 2020-06-30.
+          defaultValue: 7.4.3
+          description: Find versions on DockerHub https://hub.docker.com/r/grafana/grafana/tags
           id: $$cap_version
     instructions:
         end: Grafana is now starting.  You can log in with the default login/password of admin/admin.