grafana: rebase grafana.ini to grafana 11.4.0-1

roles/grafana/templates/grafana.ini.j2

@@ -1206,6 +1206,9 @@ mode = syslog
 # Comma-separated list of organization IDs for which to disable unified alerting. Only supported if unified alerting is enabled.
 ;disabled_orgs =
 
+# Specify how long to wait for the alerting service to initialize
+;initialization_timeout = 30s
+
 # Specify the frequency of polling for admin config changes.
 # The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
 ;admin_config_poll_interval = 60s