[pylint] - add `unnecessary-list-index-lookup` (`PLR1736`) + autofix (#7999)
## Summary
Add
[R1736](https://pylint.readthedocs.io/en/latest/user_guide/messages/refactor/unnecessary-list-index-lookup.html)
along with the autofix
See #970
## Test Plan
`cargo test` and manually
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Co-authored-by: Zanie Blue <contact@zanie.dev>