fix(workbench): serialize events and target work order sync

app/infra/db/postgresql/task_alerts.py

@@ -9,6 +9,7 @@ from psycopg.types.json import Jsonb
 from uuid import uuid4
 
 from app.domain.domain_errors import DomainError
+from app.infra.db.postgresql.workbench_events import lock_event_transaction
 
 
 class TaskAlertRepository:
@@ -20,6 +21,7 @@ class TaskAlertRepository:
     async def transaction(self):
         try:
             async with self.connection.transaction():
+                await lock_event_transaction(self.connection)
                 yield self
         except UndefinedTable as exc:
             raise DomainError(