Bump bn.js and react-scripts in /my-app#13

dependabot[bot] wants to merge 1 commit intomasterjevan-smith/Mastermind:masterfrom

dependabot/npm_and_yarn/my-app/multi-31ed3397b2jevan-smith/Mastermind:dependabot/npm_and_yarn/my-app/multi-31ed3397b2Copy head branch name to clipboard