Corrects hostname for argo-cd

gitops-kaisers-info/templates/argo-cd.yaml

@@ -24,7 +24,8 @@ spec:
         server:
           ingress: 
             enabled: true
-            hostname: argo-cd.kaisers.info
+            hosts: 
+              - argo-cd.kaisers.info
             paths:
               - /
             pathType: Prefix