[flake8-logging] Add fix safety section to LOG002 (#18840)

## Summary

Part of #15584

This adds a `Fix safety` section to [invalid-get-logger-argument
(LOG002)](https://docs.astral.sh/ruff/rules/invalid-get-logger-argument/#invalid-get-logger-argument-log002).

The fix/lint was introduced in #7399
No reasoning is given on the unsafety in the PR/code
Unsafe fix demonstration:
[playground](https://play.ruff.rs/e8008cbf-2ef5-4d38-8255-324f90e624cb)
```py
import logging
logger = logging.getLogger(__file__)
```

---------

Co-authored-by: Dylan <[email protected]>

Author: MeGaGiGaGon

crates/ruff_linter/src/rules/flake8_logging/rules/invalid_get_logger_argument.rs

@@ -39,6 +39,10 @@ use crate::{Edit, Fix, FixAvailability, Violation};
 /// logger = logging.getLogger(__name__)
 /// ```
 ///
+/// ## Fix safety
+/// This fix is always unsafe, as changing the arguments to `getLogger` can change the
+/// received logger object, and thus program behavior.
+///
 /// [logging documentation]: https://docs.python.org/3/library/logging.html#logger-objects
 #[derive(ViolationMetadata)]
 pub(crate) struct InvalidGetLoggerArgument;