chore: fix JavaScript lint errors

[ujjwalv01]

Resolves #13344.

Description

What is the purpose of this pull request?

This pull request:

• Fixes a JSDoc doctest linting failure in @stdlib/regexp/basename by updating the // returns assertion syntax to the non-assertive // e.g., returns syntax for a cross-platform Windows path check.

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

• Fix JavaScript lint errors #13344

Questions

Any questions for reviewers of this pull request?

No.

Other

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No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

AI Assistance

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• No

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• Test/benchmark generation
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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
regexp/basename	$\\color{green}132/132$ $\\color{green}+0.00\\%$	$\\color{green}9/9$ $\\color{green}+0.00\\%$	$\\color{green}1/1$ $\\color{green}+0.00\\%$	$\\color{green}132/132$ $\\color{green}+0.00\\%$

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