feat: add async while loop utility (whileAsync)

[SuYaSh-PaThAk04]

Resolves #8268 .

Description

What is the purpose of this pull request?

This pull request:

• introduces the whileAsync utility, which provides an asynchronous loop mechanism that repeatedly invokes a given function (fcn) while a predicate condition remains true. The control flow continues asynchronously, ensuring non-blocking execution and clean callback handling. [skip benchmarks]

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

• Fix JavaScript lint errors #8268

Questions

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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

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

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• No

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

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{{TODO: add disclosure if applicable}}

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Coverage Report

Package	Statements	Branches	Functions	Lines
utils/async/parallel	$\color{green}486/486$ $color{green}+100.00%$	$\color{green}44/44$ $color{green}+100.00%$	$\color{green}9/9$ $color{green}+100.00%$	$\color{green}486/486$ $color{green}+100.00%$
utils/async/while	$\color{green}186/186$ $color{green}+100.00%$	$\color{green}22/22$ $color{green}+100.00%$	$\color{green}3/3$ $color{green}+100.00%$	$\color{green}186/186$ $color{green}+100.00%$

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