Upgrade to Rust 2024 edition; MSRV 1.85 (#89) #222

Job	Run time
test-simd	18s
miri (s390x-unknown-linux-gnu)	1m 1s
minimal-versions / minimal-versions	44s
miri (x86_64-unknown-linux-gnu)	49s
set-msrv / set-msrv	3s
test (stable)	36s
aarch64-sha3 (1.85.0)	40s
test (1.85.0)	15s
aarch64-sha3 (stable)	50s
build (stable, wasm32-unknown-unknown)	13s
build (stable, thumbv7em-none-eabi)	14s
build (1.85.0, thumbv7em-none-eabi)	18s
build (1.85.0, wasm32-unknown-unknown)	19s
	6m 20s

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