Migrate to `hybrid-array`; MSRV 1.65 #965

Job	Run time
linux (i686-unknown-linux-gnu, 1.40.0, sudo apt update && sudo apt install gcc-multilib)	4m 22s
linux (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	44s
cross (aarch64-unknown-linux-gnu, stable)	1m 0s
macos (stable)	35s
linux (x86_64-unknown-linux-gnu, 1.40.0)	3m 39s
linux (x86_64-unknown-linux-gnu, stable)	20s
windows (x86_64-pc-windows-gnu, stable)	58s
minimal-versions / minimal-versions	28s
	12m 6s

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