chore: simplify uninit_array usage (#889) #2373

Job	Run time
miri --no-default-features	5m 24s
miri	5m 24s
clippy	1m 8s
check no_std	32s
miri --all-features	7m 36s
test ubuntu-latest stable --no-default-features	56s
test ubuntu-latest stable	51s
docs	51s
features stable	1m 33s
test ubuntu-latest nightly --no-default-features	1m 13s
fmt	14s
features stable --all-targets	2m 55s
test ubuntu-latest nightly	1m 11s
features nightly	2m 21s
wasm	22s
test ubuntu-latest 1.81 --no-default-features	39s
features nightly --all-targets	3m 45s
test ubuntu-latest 1.81	36s
test windows-latest stable --no-default-features	2m 41s
test windows-latest stable	3m 3s
test windows-latest nightly --no-default-features	2m 29s
test windows-latest nightly	3m 11s
test windows-latest 1.81 --no-default-features	1m 26s
test windows-latest 1.81	1m 17s
test ubuntu-latest 1.81 --features json	35s
test windows-latest 1.81 --features json	1m 40s
test ubuntu-latest nightly --all-features	1m 21s
test windows-latest nightly --all-features	3m 20s
deny / cargo deny check	16s
ci success	2s
	58m 52s

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