apps: Add newline strip to node-local-dns configmap

This makes it possible to run helm diff --normalize-manifests
without it causing a diff.

Author: simonklb

helmfile.d/charts/node-local-dns/templates/node-local-dns.yaml

@@ -56,7 +56,7 @@ metadata:
   labels:
     addonmanager.kubernetes.io/mode: Reconcile
 data:
-  Corefile: |
+  Corefile: |-
     cluster.local:53 {
       errors {
         {{ .Values.errorConfig }}