chore: fix JavaScript lint errors

[nathanaelmbale]

Resolves #12236

Description

What is the purpose of this pull request?

This pull request:

• Removes an unexpected empty line between require statements in @stdlib/blas/base/ssyr/test/test.ndarray.js
• Replaces new Array() constructor usage with zeros( arguments.length+1, 'generic' ) in @stdlib/plot/components/svg/defs/lib/main.js to comply with the stdlib/no-new-array lint rule

Related Issues

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This pull request has the following related issues:

• None

Questions

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No.

Other

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No.

Checklist

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• Read, understood, and followed the contributing guidelines.

AI Assistance

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• Test/benchmark generation
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@stdlib-js/reviewers

](chore: fix JavaScript lint errors issue #12236)

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/base/ssyr	$\color{green}616/616$ $\color{green}+0.00%$	$\color{green}82/82$ $\color{green}+0.00%$	$\color{green}5/5$ $\color{green}+0.00%$	$\color{green}616/616$ $\color{green}+0.00%$
plot/components/svg/defs	$\color{green}217/217$ $\color{green}+0.00%$	$\color{green}9/9$ $\color{green}+0.00%$	$\color{green}4/4$ $\color{green}+0.00%$	$\color{green}217/217$ $\color{green}+0.00%$

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