Merge pull request #3733 from ryanpetrello/dashboard-deprecation

deprecate /api/v2/dashboard in favor of /api/v2/metrics

Reviewed-by: https://github.com/softwarefactory-project-zuul[bot]

awx/api/views/__init__.py

@@ -168,6 +168,8 @@ def api_exception_handler(exc, context):
 
 class DashboardView(APIView):
 
+    deprecated = True
+
     view_name = _("Dashboard")
     swagger_topic = 'Dashboard'