chore: update to 2024 edition and fix clippy lints #1959

Job	Run time
Cross checking x86_64-pc-windows-msvc on stable	2m 14s
Cross checking x86_64-pc-windows-gnu on stable	2m 15s
Cross checking x86_64-apple-darwin on stable	2m 35s
Cross checking aarch64-apple-darwin on stable	2m 31s
Cross checking x86_64-unknown-linux-gnu on stable	32s
Cross checking x86_64-unknown-linux-musl on stable	46s
Cross checking aarch64-unknown-linux-gnu on stable	44s
Cross checking aarch64-unknown-linux-musl on stable	1m 2s
Cross checking i686-unknown-linux-gnu on stable	45s
Cross checking x86_64-unknown-netbsd on stable	2m 16s
Cross checking armv7-unknown-linux-gnueabihf on stable	2m 17s
Result (Cross-CI)	1s
	17m 58s

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