Fix flaky test `test_task_timeouts_do_not_crash_flow_runs`

[zzstoatzz]

Bug summary

example

FAILED tests/test_tasks.py::TestTaskTimeouts::test_task_timeouts_do_not_crash_flow_runs - AssertionError: assert 'Completed' == 'TimedOut'

Version info (prefect version output)

n/a

Additional context

No response

[cicdw]

@zzstoatzz have you seen this flake recently or can we close this?