`work_not_properly_function_names` doesn't work on methods with kwargs

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Describe the problem, ie expected/actual result (if it's not blatantly obvious)

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Gist to reproduce

from typing import override

class Foo:
    def foo(self, a: object, **options: object): ...


class Bar(Foo):
    @override
    def foo(self, b: object, **options: object): ... # error

Basedmypy version

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Command-line flags

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Configuration options from pyproject.toml (and other config files)

work_not_properly_function_names = true

Python version used

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Operating system and version

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