Migrate to `hybrid-array`; MSRV 1.65 #1474

Job	Run time
build (1.57.0, thumbv7em-none-eabi)	25s
build (1.57.0, wasm32-unknown-unknown)	18s
build (stable, thumbv7em-none-eabi)	19s
build (stable, wasm32-unknown-unknown)	24s
test (1.57.0)	16s
test (stable)	23s
minimal-versions / minimal-versions	31s
	2m 36s

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