Migrate to `hybrid-array`; MSRV 1.65 #1475

Job	Run time
build (1.57.0, thumbv7em-none-eabi)	49s
build (1.57.0, wasm32-unknown-unknown)	28s
build (stable, thumbv7em-none-eabi)	27s
build (stable, wasm32-unknown-unknown)	27s
test (1.57.0)	17s
test (stable)	20s
minimal-versions / minimal-versions	19s
	3m 7s

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