Remove the AsAny helper trait - #4649
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Trait upcasting (rust-lang/rust#65991) is stable since Rust 1.86, which is already the MSRV, so dyn trait objects coerce to dyn Any directly. Traits that needed AsAny now list Any as their supertrait, and the as_any module is renamed to casting as only the impl_dyn_casting macro remains.
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Trait upcasting (rust-lang/rust#65991) is stable since Rust 1.86, which is already the MSRV, so dyn trait objects coerce to dyn Any directly. Traits that needed AsAny now list Any as their supertrait, and the as_any module is renamed to casting as only the impl_dyn_casting macro remains.