chore: fix clippy 1.81 #963

Job	Run time
Check code formatting	9s
Clippy (libsignal-service-actix)	1m 25s
Build (libsignal-service-actix, Rust stable)	1m 42s
Clippy (libsignal-service-hyper)	1m 15s
Build (libsignal-service-actix, Rust beta)	1m 44s
Clippy (libsignal-service-hyper, unsend-futures)	1m 31s
Build (libsignal-service-actix, Rust nightly)	4m 4s
Clippy (libsignal-service)	1m 11s
Build (libsignal-service-hyper, Rust stable)	1m 31s
Clippy (libsignal-service, unsend-futures)	1m 19s
Build (libsignal-service-hyper, Rust stable)	1m 30s
Build (libsignal-service-hyper, Rust beta)	1m 41s
Build (libsignal-service-hyper, Rust nightly)	3m 47s
Build (libsignal-service, Rust stable)	1m 15s
Build (libsignal-service, Rust stable)	1m 12s
Build (libsignal-service, Rust beta)	1m 15s
Build (libsignal-service, Rust nightly)	3m 8s
Build (libsignal-service-actix, Rust 1.75)	1m 51s
	31m 30s

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