chore(deps): update container image k8s.gcr.io/external-dns/external-dns to v0.19.0

Signed-off-by: Nicholas Wilde <ncwilde43@gmail.com>

Author: renovate[bot]

cluster/infrastructure/external-dns/deployment.yaml

@@ -53,7 +53,7 @@ spec:
       serviceAccountName: external-dns
       containers:
         - name: external-dns
-          image: k8s.gcr.io/external-dns/external-dns:v0.9.0
+          image: k8s.gcr.io/external-dns/external-dns:v0.19.0
           args:
             - --source=ingress
             - --domain-filter=nicholaswilde.io