Run dunder method rule on methods directly

[charliermarsh]

This stood out in the flamegraph and I realized it requires us to traverse over all statements in the class (unnecessarily).

[github-actions]

ruff-ecosystem results

Linter (stable)

ℹ️ ecosystem check encountered linter errors. (no lint changes; 1 project error)

sphinx-doc/sphinx (error)

ruff failed
  Cause: Selection of unstable rules without the `--preview` flag is not allowed. Enable preview or remove selection of:
	- FURB113
	- FURB131
	- FURB132

Linter (preview)

ℹ️ ecosystem check detected linter changes. (+3 -3 violations, +0 -0 fixes in 2 projects; 41 projects unchanged)

apache/airflow (+2 -2 violations, +0 -0 fixes)

ruff check --no-cache --exit-zero --ignore RUF9 --output-format concise --preview --select ALL

+ airflow/providers/databricks/operators/databricks_repos.py:105:9: ANN205 Missing return type annotation for staticmethod `__detect_repo_provider__`
- airflow/providers/databricks/operators/databricks_repos.py:105:9: ANN205 Missing return type annotation for staticmethod `__detect_repo_provider__`
+ airflow/providers/fab/auth_manager/models/__init__.py:81:9: ANN204 Missing return type annotation for special method `__neq__`
- airflow/providers/fab/auth_manager/models/__init__.py:81:9: ANN204 Missing return type annotation for special method `__neq__`

bokeh/bokeh (+1 -1 violations, +0 -0 fixes)

ruff check --no-cache --exit-zero --ignore RUF9 --output-format concise --preview --select ALL

+ tests/unit/bokeh/core/test_serialization.py:806:17: ANN204 Missing return type annotation for special method `__array__`
- tests/unit/bokeh/core/test_serialization.py:806:17: ANN204 Missing return type annotation for special method `__array__`

Changes by rule (2 rules affected)

code	total	+ violation	- violation	+ fix	- fix
ANN204	4	2	2	0	0
ANN205	2	1	1	0	0