Migrate to `hybrid-array`; MSRV 1.65 #991

Job	Run time
build-only	33s
cross (aarch64-unknown-linux-gnu, stable)	1m 3s
linux (i686-unknown-linux-gnu, 1.40.0, sudo apt update && sudo apt install gcc-multilib)	6m 22s
macos (stable)	14s
linux (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	3m 15s
linux (x86_64-unknown-linux-gnu, 1.40.0)	5m 30s
windows (x86_64-pc-windows-gnu, stable)	2m 30s
linux (x86_64-unknown-linux-gnu, stable)	36s
minimal-versions / minimal-versions	57s
	21m 0s

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