Bump acorn from 5.7.3 to 5.7.4 in /react-native/shadow_bug#3

dependabot[bot] wants to merge 1 commit intomasterscriptum/notebook:masterfrom

dependabot/npm_and_yarn/react-native/shadow_bug/acorn-5.7.4scriptum/notebook:dependabot/npm_and_yarn/react-native/shadow_bug/acorn-5.7.4Copy head branch name to clipboard