Update multiple_alerts_from_different_modules_by_dstip.toml

Author: Samirbous

rules/cross-platform/multiple_alerts_from_different_modules_by_dstip.toml

@@ -37,6 +37,7 @@ from .alerts-security.*  metadata _id
         Esql.rule_name_values = VALUES(kibana.alert.rule.name),
         Esql.message_values = VALUES(message),
         Esql.event_category_values = VALUES(event.category),
+        Esql.event_action_values = VALUES(event.action),
         Esql.source_ip_values = VALUES(source.ip),
         Esql.host_id_values = VALUES(host.id),
         Esql.agent_id_values = VALUES(agent.id),