Fixed TCP with no answer alert definition

scripts/lua/modules/alert_keys/flow_alert_keys.lua

@@ -81,7 +81,7 @@ local flow_alert_keys = {
    flow_alert_ndpi_http_crawler_bot                = 72,
    flow_alert_ndpi_suspicious_entropy              = 73,
    flow_alert_iec_invalid_command_transition       = 74,
-   flow_alert_connection_failed                    = 75,
+   flow_alert_tcp_connection_no_answer             = 75,
    
    -- NOTE: for flow alerts not not go beyond the size of Bitmap alert_map inside Flow.h (currently 128)
 }