Bump sprockets from 2.1.3 to 2.1.4 in /checkout-before#9

dependabot[bot] wants to merge 1 commit intomasterrailscasts/261-testing-javascript-with-jasmine-revised:masterfrom

dependabot/bundler/checkout-before/sprockets-2.1.4railscasts/261-testing-javascript-with-jasmine-revised:dependabot/bundler/checkout-before/sprockets-2.1.4Copy head branch name to clipboard