bench: refactor to use dynamic memory allocation in stats/strided/dmskmin

[ivishal-g]

Ref: #8643 .

Description

What is the purpose of this pull request?

This pull request:

• This pull request replaces static memory allocation in C benchmark of stats/strided/dmediansorted with dynamic memory allocation

Related Issues

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This pull request has the following related issues:

• #{{TODO: add related issue number}}

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Other

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• Read, understood, and followed the contributing guidelines.

AI Assistance

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{{TODO: add disclosure if applicable}}

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Coverage Report

Package	Statements	Branches	Functions	Lines
stats/strided/dmskmin	$\color{green}411/411$ $\color{green}+0.00%$	$\color{green}31/31$ $\color{green}+0.00%$	$\color{green}4/4$ $\color{green}+0.00%$	$\color{green}411/411$ $\color{green}+0.00%$

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