upgrade external-dns to 0.5.5 (#7363)

Signed-off-by: David J. M. Karlsen <david@davidkarlsen.com>

stable/external-dns/Chart.yaml

@@ -2,8 +2,8 @@ apiVersion: v1
 description: Configure external DNS servers (AWS Route53, Google CloudDNS and others)
   for Kubernetes Ingresses and Services
 name: external-dns
-version: 0.7.2
-appVersion: 0.5.4
+version: 0.7.3
+appVersion: 0.5.5
 home: https://github.com/kubernetes-incubator/external-dns
 sources:
 - https://github.com/kubernetes-incubator/external-dns

stable/external-dns/values.yaml

@@ -1,7 +1,7 @@
 ## Details about the image to be pulled.
 image:
   name: registry.opensource.zalan.do/teapot/external-dns
-  tag: v0.5.4
+  tag: v0.5.5
   pullSecrets: []
   pullPolicy: IfNotPresent