Build

Support arm64 Mac for Unity/Mono #454

Job	Run time
build (wasm32-unknown-unknown, stable)	26s
Test (Host)	23s
Check clippy lints	21s
build (wasm32-wasip1, stable)	25s
build (wasm32-unknown-unknown, nightly)	31s
build (wasm32-wasip1, nightly)	30s
Check formatting	14s
	2m 50s

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