p521

Bump `hybrid-array` to v0.2.0-rc.11; MSRV 1.81 #1029

Job	Run time
benches (stable)	1m 12s
build (1.81.0, thumbv7em-none-eabi)	19s
build (1.81.0, wasm32-unknown-unknown)	19s
doc	56s
build (stable, thumbv7em-none-eabi)	15s
test (i686-unknown-linux-gnu, 1.81.0, sudo apt update && sudo apt install gcc-multilib)	1m 45s
build (stable, wasm32-unknown-unknown)	14s
test (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	1m 33s
test (x86_64-unknown-linux-gnu, 1.81.0)	1m 23s
test (x86_64-unknown-linux-gnu, stable)	1m 12s
	9m 8s

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