bench: update random value generation#7748

AryanJ18 wants to merge 16 commits intostdlib-js:developstdlib-js/stdlib:developfrom

AryanJ18:Refactor-random-number-generation-in-JS-benchmarks-for-stats/base/dists/triangular-#4989AryanJ18/stdlib:Refactor-random-number-generation-in-JS-benchmarks-for-stats/base/dists/triangular-#4989Copy head branch name to clipboard