Added `array_permutations` (attempt 2) #1083

Job	Run time
check	15s
doc	15s
check (--no-default-features)	15s
check format	12s
miri	3m 33s
check (--no-default-features --features use_alloc)	19s
check (--all-targets --all-features)	26s
msrv	42s
semver-checks	15s
test	55s
All checks succeeded	0s
	7m 7s

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