Function deactivateTask

deactivateTask(taskName): void
将一个任务置成非状态。注意：只允许冻结周期性的定时任务

在开启安全配置情况下，需要 '管理定时任务' 权限

deactivate a task, set the task status to Suspend. Notice: only deactivate multi-time task is allowed
Parameters
- taskName: string
Returns void
Example
```
import * as tp from 'taskplan'
tp.deactivateTask("task_name")
```