bench: refactor to use string interpolation in blas/ext/find-last-index#10783

bhargava-d16 wants to merge 1 commit intostdlib-js:developstdlib-js/stdlib:developfrom

bhargava-d16:bench-string-interpolation-blas-ext-find-last-indexbhargava-d16/stdlib:bench-string-interpolation-blas-ext-find-last-indexCopy head branch name to clipboard