Update signif digits for `sim_gs_n()` test to verify bounds from {gsDesign2}#355

LittleBeannie merged 1 commit intoMerck:mainMerck/simtrial:mainfrom

jdblischak:sim-gs-n-bounds-gsdesign2-117jdblischak/simtrial:sim-gs-n-bounds-gsdesign2-117Copy head branch name to clipboard