chore(release): updates kustomize & docs with v0.16.1

Signed-off-by: Michel Loiseleur <michel.loiseleur@traefik.io>

Author: mloiseleur

docs/faq.md

@@ -197,7 +197,7 @@ $ docker run \
   -e EXTERNAL_DNS_SOURCE=$'service\ningress' \
   -e EXTERNAL_DNS_PROVIDER=google \
   -e EXTERNAL_DNS_DOMAIN_FILTER=$'foo.com\nbar.com' \
-  registry.k8s.io/external-dns/external-dns:v0.15.1
+  registry.k8s.io/external-dns/external-dns:v0.16.1
 time="2017-08-08T14:10:26Z" level=info msg="config: &{APIServerURL: KubeConfig: Sources:[service ingress] Namespace: ...
 ```
 

docs/registry/dynamodb.md

@@ -81,7 +81,7 @@ spec:
     spec:
       containers:
         - name: external-dns
-          image: registry.k8s.io/external-dns/external-dns:v0.15.1
+          image: registry.k8s.io/external-dns/external-dns:v0.16.1
           args:
             - --source=service
             - --source=ingress