fix: use the name flux-webhook for ingress

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

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

@@ -2,7 +2,7 @@
 apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
-  name: webhook-receiver
+  name: flux-webhook
   namespace: flux-system
   annotations:
     cert-manager.io/cluster-issuer: letsencrypt-staging
@@ -12,7 +12,7 @@ metadata:
 spec:
   ingressClassName: nginx
   rules:
-    - host: &host "flux-receiver.${SECRET_DOMAIN}"
+    - host: &host "flux-webhook.${SECRET_DOMAIN}"
       http:
         paths:
           - path: /hook/
@@ -25,4 +25,4 @@ spec:
   tls:
     - hosts:
         - *host
-      secretName: flux-receiver-tls
+      secretName: flux-webhook-tls