chore: as_slice in Array #623

# to view logs

Job	Run time
Format check	36s
fuzz	2m 3s
Sanitize address feature	3m 36s
Sanitize address feature arbitrary_precision	3m 36s
Rust nightly (self-hosted, Linux, amd64)	59s
Rust stable (self-hosted, Linux, amd64)	1m 19s
Rust nightly (self-hosted, Linux, aarch64)	3m 16s
Sanitize address feature sort_keys	5m 2s
Rust stable (self-hosted, Linux, aarch64)	3m 48s
Sanitize address feature use_raw	3m 30s
Sanitize address feature utf8_lossy	4m 58s
Sanitize leak feature	2m 52s
Sanitize leak feature arbitrary_precision	2m 39s
Sanitize leak feature sort_keys	2m 45s
Sanitize leak feature use_raw	3m 39s
Sanitize leak feature utf8_lossy	3m 40s
	48m 18s

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