Fix placing of heat for uni05epsilon

Follow up to PR #636 [1], fixing the placing of heat to follow
alphabetical order in the service-values for uni05epsilon.

[1] #636

Author: cescgina

examples/dt/uni05epsilon/service-values.yaml

@@ -128,6 +128,9 @@ data:
         replicas: 3
         type: split
 
+  heat:
+    enabled: true
+
   nova:
     template:
       cellTemplates:
@@ -184,6 +187,3 @@ data:
 
   watcher:
     enabled: true
-
-  heat:
-    enabled: true