Fix ClusterRole name (#112)

Author: lucacome

helm-charts/nginx-ingress/templates/rbac.yaml

@@ -11,6 +11,6 @@ subjects:
   namespace: {{ .Release.Namespace }}
 roleRef:
   kind: ClusterRole
-  name: {{ include "nginx-ingress.fullname" . }}
+  name: nginx-ingress-operator-nginx-ingress-admin
   apiGroup: rbac.authorization.k8s.io
 {{- end }}