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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Part of #18972
This PR makes [airflow3-moved-to-provider
(AIR302)](https://docs.astral.sh/ruff/rules/airflow3-moved-to-provider/#airflow3-moved-to-provider-air302)'s
example error out-of-the-box
[Old example](https://play.ruff.rs/1026c008-57bc-4330-93b9-141444f2a611)
```py
from airflow.auth.managers.fab.fab_auth_manage import FabAuthManager
```
[New example](https://play.ruff.rs/b690e809-a81d-4265-9fde-1494caa0b7fd)
```py
from airflow.auth.managers.fab.fab_auth_manager import FabAuthManager
fab_auth_manager_app = FabAuthManager().get_fastapi_app()
```
## Test Plan
<!-- How was it tested? -->
N/A, no functionality/tests affected
462dbadee4