chore: fix JavaScript lint errors (issue #11065)

[MANDEep22332]

Resolves #11065

Description

What is the purpose of this pull request?

This pull request:

• {{TODO: Fixes JavaScript lint errors in the @stdlib/stats/ztest benchmark file}}

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

• chore: fix JavaScript lint errors (issue #11014) #11015

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

When authoring the changes proposed in this PR, did you use any kind of AI assistance?

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• Code generation (e.g., when writing an implementation or fixing a bug)
• Test/benchmark generation
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Disclosure

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{{TODO: add disclosure if applicable}}

---

@stdlib-js/reviewers

[MANDEep22332]

Hi, the Check PR Issue References workflow is failing due to a missing
COPILOT_GITHUB_TOKEN secret in the repository configuration. This is
unrelated to the changes in this PR. All JavaScript lint checks pass
with 0 errors and 0 warnings. Could a maintainer please review?

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