## Summary
Implementation for one of the rules in
https://github.com/astral-sh/ruff/issues/1348
Refurb only deals only with classes with a single base, however the rule
is valid for any base.
(`str, Enum` is common prior to `StrEnum`)
## Test Plan
`cargo test`
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Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
