Safe conversions between `Array` and `[T; N]` #62

Job	Run time
careful	49s
clippy	14s
doc	18s
build (1.65.0, armv7a-none-eabi)	2m 27s
build (1.65.0, thumbv7em-none-eabi)	2m 23s
miri (x86_64-unknown-linux-gnu)	29s
build (1.65.0, wasm32-unknown-unknown)	2m 44s
rustfmt	7s
miri (s390x-unknown-linux-gnu)	43s
test (1.65.0)	2m 32s
build (stable, armv7a-none-eabi)	15s
test (stable)	9s
build (stable, thumbv7em-none-eabi)	11s
build (stable, wasm32-unknown-unknown)	17s
	13m 38s

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