fix new clippy errors on Rust 1.83 #4972

Job	Run time
check	2m 33s
doc	1m 54s
Build wasm-tools (x86_64-linux, ubuntu-latest)	2m 31s
Fuzz	2m 21s
Build wasm-tools (x86_64-macos, macos-latest, x86_64-apple-darwin)	2m 39s
Rustfmt	14s
Build wasm-tools (aarch64-macos, macos-latest, aarch64-apple-darwin)	2m 20s
Build wasm-tools (x86_64-windows, windows-latest)	4m 38s
Test (ubuntu-latest, stable)	2m 39s
Test the C API (ubuntu-latest)	49s
Build wasm-tools (aarch64-linux, ubuntu-latest, aarch64-unknown-linux-gnu)	2m 42s
Test (ubuntu-latest, beta)	2m 43s
Test the C API (macos-latest)	1m 9s
Test with extra Cargo features	1m 49s
Build wasm-tools (wasm32-wasip1, ubuntu-latest, wasm32-wasip1)	1m 53s
Test (ubuntu-latest, nightly)	2m 17s
Test the C API (windows-latest)	2m 20s
Test (macos-latest, stable)	2m 4s
Test (windows-latest, stable)	3m 55s
Test libdl.so	57s
Test (no-hash-maps)	2m 40s
Test (ubuntu-latest, msrv, --exclude fuzz-stats --exclude wit-component --exclude wasm-mutate-stats)	2m 9s
Test on WebAssembly	3m 53s
Test (ubuntu-latest, nightly-2024-07-12)	2m 20s
clippy	1m 36s
Test (ubuntu-latest, stable, 1)	2m 36s
verify-publish	2m 15s
Record the result of testing and building steps	1s
	1h 1m 57s

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