Update ingress.tf

Bump nginx version

Author: paulsilcock

terraform/ingress.tf

@@ -16,7 +16,7 @@ resource "helm_release" "nginx" {
   name             = "ingress-nginx"
   repository       = "https://kubernetes.github.io/ingress-nginx"
   chart            = "ingress-nginx"
-  version          = "4.4.0"
+  version          = "4.4.2"
   namespace        = "ingress-nginx"
   create_namespace = true