Update zeppelin and fix deployment error

modules/jupyterhub/main.tf

@@ -5,13 +5,18 @@ resource "helm_release" "jupyterhub" {
   create_namespace  = "true"
   namespace         = "${var.namespace_prefix}spark-jobs"
   dependency_update = "true"
-  version           = "3.3.8"
+  version           = "4.0.0"
 
   set {
     name = "ingress.enabled"
     value = "true"
   }
 
+  set {
+    name = "proxy.service.type"
+    value = "NodePort"
+  }
+
   set {
     name = "ingress.ingressClassName"
     value = "nginx"