hybrid-array: impl `IntoIterator` for references to all `ArraySize`s … #439

Job	Run time
aarch64 (aarch64-unknown-linux-gnu, 1.60.0)	4m 26s
aarch64 (aarch64-unknown-linux-gnu, stable)	58s
build (1.60.0, armv7a-none-eabi)	4m 33s
build (1.60.0, thumbv7em-none-eabi)	4m 24s
cross (powerpc-unknown-linux-gnu, 1.60.0)	4m 9s
build (1.60.0, wasm32-unknown-unknown)	3m 43s
cross (powerpc-unknown-linux-gnu, stable)	59s
build (stable, armv7a-none-eabi)	20s
build (stable, thumbv7em-none-eabi)	16s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.60.0, sudo apt update && sudo apt install gcc-mult...	4m 12s
build (stable, wasm32-unknown-unknown)	28s
test (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mult...	1m 13s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.60.0)	4m 24s
test (x86_64-unknown-linux-gnu, ubuntu-latest, stable)	30s
test (x86_64-apple-darwin, macos-latest, 1.60.0)	4m 17s
test (x86_64-apple-darwin, macos-latest, stable)	45s
test (x86_64-pc-windows-msvc, windows-latest, 1.60.0)	5m 51s
test (x86_64-pc-windows-msvc, windows-latest, stable)	1m 12s
minimal-versions / minimal-versions	1m 22s
	48m 2s

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