Bump acorn from 5.7.3 to 5.7.4 in /treeshaking-test-app#3

dependabot[bot] wants to merge 1 commit intomasterjared-hexagon/treeshaking-static-assets-test:masterfrom

dependabot/npm_and_yarn/treeshaking-test-app/acorn-5.7.4jared-hexagon/treeshaking-static-assets-test:dependabot/npm_and_yarn/treeshaking-test-app/acorn-5.7.4Copy head branch name to clipboard