feat: add C ndarray interface and refactor implementation for `stats/base/dnanvarianceyc`#4852

kgryte merged 4 commits intostdlib-js:developstdlib-js/stdlib:developfrom

0PrashantYadav0:ndarray-dnanvarianceyc0PrashantYadav0/stdlib:ndarray-dnanvarianceycCopy head branch name to clipboard