Use `RUNTIME_NAMESPACE` when setting `--events-addr`

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>
(cherry picked from commit f2ff083b8e)

pkg/manifestgen/install/manifests.go

@@ -75,7 +75,7 @@ func generate(base string, options Options) error {
 		// traffic from going through http proxy. Without fully specified
 		// domain they need to mention `notifications-controller` explicitly in
 		// `no_proxy` variable after debugging http proxy logs.
-		options.EventsAddr = fmt.Sprintf("http://%s.%s.svc.%s./", options.NotificationController, options.Namespace, options.ClusterDomain)
+		options.EventsAddr = fmt.Sprintf("http://%s.$(RUNTIME_NAMESPACE).svc.%s./", options.NotificationController, options.ClusterDomain)
 	}
 
 	if err := execTemplate(options, namespaceTmpl, path.Join(base, "namespace.yaml")); err != nil {