feat!: use external-dns.alpha.kubernetes.io/target annotation filter in external-dns

Signed-off-by: Devin Buhl <devin@buhl.casa>

kubernetes/apps/flux-system/addons/webhooks/github/ingress.yaml

@@ -6,7 +6,6 @@ metadata:
   namespace: flux-system
   annotations:
     external-dns.alpha.kubernetes.io/target: "ipv4.${SECRET_DOMAIN}"
-    external-dns.home.arpa/enabled: "true"
     hajimari.io/enable: "false"
 spec:
   ingressClassName: nginx