Auto merge of #83333 - Dylan-DPC:rollup-0rdt6sz, r=Dylan-DPC

Auto merge of #83333 - Dylan-DPC:rollup-0rdt6sz, r=Dylan-DPC

Rollup of 6 pull requests

Successful merges:

 - #82707 (const_evaluatable_checked: Stop eagerly erroring in `is_const_evaluatable`)
 - #83040 (extract `ConstKind::Unevaluated` into a struct)
 - #83280 (Fix pluralization in keyword docs)
 - #83289 (Move some tests to more reasonable directories - 5)
 - #83306 (Extend `proc_macro_back_compat` lint to `js-sys`)
 - #83327 (Extend comment in `UsedLocals::visit_lhs`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup