Update namespace TypeScript declarations

[stdlib-bot]

This PR

• updates namespace TypeScript declarations

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
array/base	$\color{green}762/762$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}762/762$ $\color{green}+100.00\%$
assert	$\color{green}2553/2553$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}2553/2553$ $\color{green}+100.00\%$
math/base/special	$\color{green}2094/2094$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}2094/2094$ $\color{green}+100.00\%$
slice/base	$\color{green}123/123$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}123/123$ $\color{green}+100.00\%$
slice	$\color{green}78/78$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}78/78$ $\color{green}+100.00\%$
utils/async	$\color{green}330/330$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}330/330$ $\color{green}+100.00\%$
utils	$\color{green}2017/2017$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}2017/2017$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.