feat: add C implementation forstats/base/ndarray/svariancepn

[0PrashantYadav0]

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Resolves None

Description

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This pull request:

• feat: add stats/base/ndarray/svariancepn

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/ndarray/svariancepn	$\\color{green}199/199$ $\\color{green}+0.00\\%$	$\\color{green}7/7$ $\\color{green}+0.00\\%$	$\\color{green}2/2$ $\\color{green}+0.00\\%$	$\\color{green}199/199$ $\\color{green}+0.00\\%$

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

[kgryte]

@0PrashantYadav0 Same thing on this PR. You are missing the require path change to benchmark.js.