docs: update namespace table of contents

[stdlib-bot]

This PR

• updates namespace table of contents

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
utils	$\color{red}45458/61698$ $\color{green}+73.68%$	$\color{red}759/803$ $\color{green}+94.52%$	$\color{red}23/509$ $\color{green}+4.52%$	$\color{red}45458/61698$ $\color{green}+73.68%$

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