Migrate to `hybrid-array`; MSRV 1.65 #351

Job	Run time
build (1.60.0, thumbv7em-none-eabi)	5m 21s
build (1.60.0, wasm32-unknown-unknown)	4m 34s
build (stable, thumbv7em-none-eabi)	21s
build (stable, wasm32-unknown-unknown)	42s
cross (aarch64-unknown-linux-gnu, 1.60.0)	6m 17s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.60.0, sudo apt update && sudo apt install gcc-mult...	6m 53s
cross (aarch64-unknown-linux-gnu, stable)	1m 0s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.60.0)	4m 41s
cross (powerpc-unknown-linux-gnu, 1.60.0)	6m 25s
cross (powerpc-unknown-linux-gnu, stable)	1m 5s
test (x86_64-pc-windows-msvc, windows-latest, 1.60.0)	6m 39s
test (x86_64-apple-darwin, macos-latest, 1.60.0)	4m 37s
minimal-versions / minimal-versions	30s
	49m 5s

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