Update tiller-deployment to use Octal (#13144)

* Update tiller-deployment to use Octal

Signed-off-by: John Reese <john@reese.dev>

* Use Octal for secret defaultMode
Signed-off-by: John Reese <john@reese.dev>

stable/magic-namespace/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: magic-namespace
-version: 0.5.1
+version: 0.5.2
 appVersion: 2.8.1
 home: https://github.com/kubernetes/charts/tree/master/stable/magic-namespace
 description: Elegantly enables a Tiller per namespace in RBAC-enabled clusters

stable/magic-namespace/templates/tiller-deployment.yaml

@@ -100,7 +100,7 @@ spec:
       {{- if .Values.tiller.tls.enabled }}
       - name: tiller-certs
         secret:
-          defaultMode: 420
+          defaultMode: 0644
           secretName: {{ template "magic-namespace.tillerTlsSecret" . }}
       {{- end }}
     {{- with .Values.tiller.nodeSelector }}