[ci skip] Fix grampsweb ingress: set service_name to match backend service

The ingress_factory defaults service_name to name, so it was routing
to a non-existent "family" service instead of "grampsweb".

modules/kubernetes/grampsweb/main.tf

@@ -261,6 +261,7 @@ module "ingress" {
   source          = "../ingress_factory"
   namespace       = kubernetes_namespace.grampsweb.metadata[0].name
   name            = "family"
+  service_name    = "grampsweb"
   tls_secret_name = var.tls_secret_name
   max_body_size   = "500m"
 }