[fix-#13940] add status of ``` stop``` in class of TaskExecutionStatus (#14016)

dolphinscheduler-task-plugin/dolphinscheduler-task-api/src/main/java/org/apache/dolphinscheduler/plugin/task/api/enums/TaskExecutionStatus.java

@@ -27,6 +27,7 @@ public enum TaskExecutionStatus {
     SUBMITTED_SUCCESS(0, "submit success"),
     RUNNING_EXECUTION(1, "running"),
     PAUSE(3, "pause"),
+    STOP(5, "stop"),
     FAILURE(6, "failure"),
     SUCCESS(7, "success"),
     NEED_FAULT_TOLERANCE(8, "need fault tolerance"),