Apply 60fc1e675013 to 6.12.y

Hi Greg, Sasha,

Please consider applying commit 60fc1e675013 ("rust: allow `clippy::needless_lifetimes`") to 6.12.y.

It is meant to avoid Clippy warnings with Rust 1.83.0 (released two weeks ago), since 6.12 LTS is the first stable kernel that supports a minimum Rust version, thus users may use newer compilers. Older LTSs do not need it, for that reason.

It applies cleanly.

Thanks!

Cheers, Miguel