Bump @types/jest from 23.3.1 to 23.3.9#116

dependabot-preview[bot] wants to merge 1 commit intomasterdeadlybyte/react-speedy-reader:masterfrom

dependabot/npm_and_yarn/@types/jest-23.3.9deadlybyte/react-speedy-reader:dependabot/npm_and_yarn/@types/jest-23.3.9Copy head branch name to clipboard