hybrid-array: use `assert_ne!` in `slice_as_chunks(_mut)` (#1016) #532

Job	Run time
build (1.60.0, armv7a-none-eabi)	1m 19s
build (1.60.0, thumbv7em-none-eabi)	1m 22s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.60.0, sudo apt update && sudo apt install gcc-mult...	1m 50s
build (1.60.0, wasm32-unknown-unknown)	1m 18s
build (stable, armv7a-none-eabi)	16s
test (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mult...	29s
build (stable, thumbv7em-none-eabi)	19s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.60.0)	1m 37s
build (stable, wasm32-unknown-unknown)	17s
test (x86_64-unknown-linux-gnu, ubuntu-latest, stable)	2m 0s
test (x86_64-apple-darwin, macos-latest, 1.60.0)	2m 18s
cross (powerpc-unknown-linux-gnu, 1.60.0)	1m 41s
test (x86_64-apple-darwin, macos-latest, stable)	44s
aarch64 (aarch64-unknown-linux-gnu, 1.60.0)	2m 6s
cross (powerpc-unknown-linux-gnu, stable)	34s
test (x86_64-pc-windows-msvc, windows-latest, 1.60.0)	1m 56s
aarch64 (aarch64-unknown-linux-gnu, stable)	41s
test (x86_64-pc-windows-msvc, windows-latest, stable)	59s
minimal-versions / minimal-versions	45s
	22m 31s

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