Migrate to `hybrid-array`; MSRV 1.65 #1473

Job	Run time
build (1.57.0, thumbv7em-none-eabi)	21s
build (1.57.0, wasm32-unknown-unknown)	28s
build (stable, thumbv7em-none-eabi)	20s
build (stable, wasm32-unknown-unknown)	30s
test (1.57.0)	17s
test (stable)	25s
minimal-versions / minimal-versions	39s
	3m 0s

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