Bump acorn from 5.7.3 to 5.7.4#344

JoshuaKGoldberg merged 1 commit intomastertypescript-eslint/tslint-to-eslint-config:masterfrom

dependabot/npm_and_yarn/acorn-5.7.4typescript-eslint/tslint-to-eslint-config:dependabot/npm_and_yarn/acorn-5.7.4Copy head branch name to clipboard