harden ref mut
according to edition 2024
#1248
Open
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Ref: https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html
The direct impact of this is, some prost structs are modded in our codebase by (1) use cargo-expand to unfold prost implementation (2) use script to replace certain types. After upgrading to edition-2024 the output from (1) triggers complaint from rust.