**Description**

I have noticed that the stable REST API doesn't have the ability to run a task (which is possible from the airflow web interface.
I think it would be nice to have either:
- Run task 
- Run all failing tasks (rerun from point of failure)
this ability for integrations.

**Use case / motivation**

I would like the ability to identify the failing tasks on a specific DAG Run and rerun only them.
I would like to do it remotely (non-interactive) using the REST API.
I could write a script that run only the failing tasks, but I couldn't find a way to "Run" a task, when I have the task instance ID.

**Are you willing to submit a PR?**

Not at this stage

**Related Issues**



airflow/models/dag.py
get_tis=True,
                    session=session,
                    recursion_depth=recursion_depth,
                    max_recursion_depth=max_recursion_depth,
                    dag_bag=dag_bag,
                    visited_external_tis=visited_external_tis,
                )
            )
        if start_date:
            tis = tis.filter(TI.execution_date >= start_date)
        if end_date:
            tis = tis.filter(TI.execution_date <= end_date)
        if only_failed:
            tis = tis.filter(or_(TI.state == State.FAILED, TI.state == State.UPSTREAM_FAILED))
        if only_running:
            tis = tis.filter(TI.state == State.RUNNING)
        if include_subdags:
            from airflow.sensors.external_task import ExternalTaskMarker
            
            instances = tis.all()
            for ti in instances:
                if ti.operator == ExternalTaskMarker.__name__:
                    if visited_external_tis is None:
                        visited_external_tis = set()
                    ti_key = ti.key.primary
                    if ti_key not in visited_external_tis:
                        
                        
                        task: ExternalTaskMarker = cast(
                            ExternalTaskMarker, copy.copy(self.get_task(ti.task_id))