Bump json5, babel-jest, jest and react-native#6

dependabot[bot] wants to merge 1 commit intomasterdrumnation/react-native-cross-platform-responsive-dimensions:masterfrom

dependabot/npm_and_yarn/json5-and-babel-jest-and-jest-and-react-native-2.2.3drumnation/react-native-cross-platform-responsive-dimensions:dependabot/npm_and_yarn/json5-and-babel-jest-and-jest-and-react-native-2.2.3Copy head branch name to clipboard