feat: add support for accessor arrays and refactor stats/base/stdevwd

[Ari1009]

Resolves #5685

Description

What is the purpose of this pull request?

This pull request:

• add refactor and add protocol support to stats/base/stdevwd

Related Issues

Does this pull request have any related issues?

This pull request:

• resolve [RFC]: refactor and add protocol support to stats/base/stdevwd #5685

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.

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@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/stdevwd	$\color{red}274/278$ $\color{green}+98.56\%$	$\color{red}11/13$ $\color{green}+84.62\%$	$\color{green}3/3$ $\color{green}+100.00\%$	$\color{red}274/278$ $\color{green}+98.56\%$

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

[aayush0325]

kindly address the CI failures and use #6248 as a reference PR, follow the conventions of benchmarks, examples docs, tests etc

[Ari1009]

Any updates

[kgryte]

/stdlib merge

[Ari1009]

@aayush0325 can u give a recheck