chore: as_slice in Array #622

# to view logs

Job	Run time
Format check	30s
fuzz	2m 25s
Rust nightly (self-hosted, Linux, amd64)	1m 6s
Sanitize address feature	3m 49s
Rust nightly (self-hosted, Linux, aarch64)	3m 31s
Sanitize address feature arbitrary_precision	3m 19s
Rust stable (self-hosted, Linux, amd64)	1m 15s
Sanitize address feature sort_keys	4m 38s
Rust stable (self-hosted, Linux, aarch64)	3m 44s
Sanitize address feature use_raw	4m 45s
Sanitize address feature utf8_lossy	3m 52s
Sanitize leak feature	3m 42s
Sanitize leak feature arbitrary_precision	3m 46s
Sanitize leak feature sort_keys	3m 37s
Sanitize leak feature use_raw	3m 43s
Sanitize leak feature utf8_lossy	2m 33s
	50m 15s

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