Bump acorn from 5.7.1 to 5.7.4 in /3-npm/4-scripts#7

dependabot[bot] wants to merge 1 commit intomasterjscomplete/ngs:masterfrom

dependabot/npm_and_yarn/3-npm/4-scripts/acorn-5.7.4jscomplete/ngs:dependabot/npm_and_yarn/3-npm/4-scripts/acorn-5.7.4Copy head branch name to clipboard