[`Airflow`] Make `AIR312` example error out-of-the-box (#18989)
## Summary
Part of #18972
This PR makes [airflow3-suggested-to-move-to-provider
(AIR312)](https://docs.astral.sh/ruff/rules/airflow3-suggested-to-move-to-provider/#airflow3-suggested-to-move-to-provider-air312)'s
example error out-of-the-box
[Old example](https://play.ruff.rs/1be0d654-1ed5-4a0b-8791-cc5db73333d5)
```py
from airflow.operators.python import PythonOperator
```
[New example](https://play.ruff.rs/b6260206-fa19-4ab2-8d45-ddd43c46a759)
```py
from airflow.operators.python import PythonOperator
def print_context(ds=None, **kwargs):
print(kwargs)
print(ds)
print_the_context = PythonOperator(
task_id="print_the_context", python_callable=print_context
)
```
## Test Plan
<!-- How was it tested? -->
N/A, no functionality/tests affected
