Notify when cleaning_packager_groups cannot remove a group creator

Signed-off-by: Lenka Segura <lsegura@redhat.com>

roles/openshift-apps/poddlers/templates/fedora-messaging.toml

@@ -437,6 +437,13 @@ metrics-sig = 'metrics'
 
 [consumer_config.clean_packagers_groups]
 watched_groups = ["packager"]
+{% if env == "staging" %}
+notify_emails = []
+{% else %}
+notify_emails = [
+    "lenkaseg@fedoraproject.org",
+]
+{% endif %}
 
 [qos]
 prefetch_size = 0