fix: use the right annotations for external-dns and update flux/gitops dashboard ingresses

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

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

@@ -5,9 +5,10 @@ metadata:
   name: webhook-receiver
   namespace: flux-system
   annotations:
-    cert-manager.io/cluster-issuer: "letsencrypt-staging"
-    external-dns/is-public: "true"
+    cert-manager.io/cluster-issuer: letsencrypt-staging
     external-dns.alpha.kubernetes.io/target: "ipv4.${SECRET_DOMAIN}"
+    external-dns.home.arpa/enabled: "true"
+    hajimari.io/enable: "false"
 spec:
   ingressClassName: nginx
   rules: