refactor(hitl): remove AirflowException from HITLTriggerEventError inheritance (#55763)

(cherry picked from commit 20783d8)

Author: Lee-W

providers/standard/src/airflow/providers/standard/exceptions.py

@@ -57,7 +57,7 @@ class DuplicateStateError(AirflowExternalTaskSensorException):
     """Raised when duplicate states are provided across allowed, skipped and failed states."""
 
 
-class HITLTriggerEventError(AirflowException):
+class HITLTriggerEventError(Exception):
     """Raised when TriggerEvent contains error."""