Merge pull request #789 from rackerlabs/dfw3-prod

fix: understack-infra appset needs to install to kube-system

Author: ctria

apps/appsets/understack.yaml

@@ -13,6 +13,8 @@ spec:
     server: '*'
   - namespace: 'cilium'
     server: '*'
+  - namespace: 'kube-system'
+    server: '*'
   clusterResourceWhitelist:
   - group: '*'
     kind: '*'