Flaky tests in `test_nested_transitions.py`

[chirizxc]

Test: https://github.com/Tishka17/aiogram_dialog/blob/develop/tests/test_nested_transitions.py

Actions examples where it broken:

1. https://github.com/Tishka17/aiogram_dialog/actions/runs/12909695133/job/35997982388#step:7:58

https://github.com/reagento/dishka/actions/runs/14003357637/job/39213703489#step:6:1980
https://github.com/reagento/dishka/actions/runs/14003357637/job/39213703489#step:6:212

[chirizxc]

Another test: https://github.com/Tishka17/aiogram_dialog/blob/develop/tests/test_group.py#L166