### Apache Airflow version

main (development)

### Operating System

macOS 11.5.2

### Versions of Apache Airflow Providers

_No response_

### Deployment

Virtualenv installation

### Deployment details

_No response_

### What happened

If your first try fails and you have retries enabled, the subsequent tries skip right to the final `next_method(**next_kwargs)` instead of starting with `execute` again.

### What you expected to happen

Like we reset things like start date, we should wipe `next_method` and `next_kwargs` so we can retry the task from the beginning.

### How to reproduce

_No response_

### Anything else

_No response_

### Are you willing to submit PR?

- [X] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

tests/models/test_taskinstance.py
ti = create_task_instance(dag_id='test_check_and_change_state_before_execution')
        task2 = DummyOperator(task_id='task2', dag=ti.task.dag, start_date=DEFAULT_DATE)
        ti.task >> task2
        ti = TI(task=task2, run_id=ti.run_id)
        assert not ti.check_and_change_state_before_execution()
    def test_try_number(self, create_task_instance):
        """
        Test the try_number accessor behaves in various running states
        """
        ti = create_task_instance(dag_id='test_check_and_change_state_before_execution')
        assert 1 == ti.try_number
        ti.try_number = 2
        ti.state = State.RUNNING
        assert 2 == ti.try_number
        ti.state = State.SUCCESS
        assert 3 == ti.try_number
    def test_get_num_running_task_instances(self, create_task_instance):
        session = settings.Session()
        ti1 = create_task_instance(
            dag_id='test_get_num_running_task_instances', task_id='task1', session=session
        )
        dr = ti1.task.dag.create_dagrun(
            execution_date=DEFAULT_DATE + datetime.timedelta(days=1),
            state=None,
            run_id='2',