docs: update namespace TypeScript declarations

[stdlib-bot]

This PR

• updates namespace TypeScript declarations

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/ext/base	$\color{green}1068/1068$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}1068/1068$ $\color{green}+100.00\%$
stats/base	$\color{green}2004/2004$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}2004/2004$ $\color{green}+100.00\%$

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