Bump qs and express in /checkout/client#10

dependabot[bot] wants to merge 1 commit intomaincommercetools/hackathon-starter-kit:mainfrom

dependabot/npm_and_yarn/checkout/client/multi-c8afcbbcd8commercetools/hackathon-starter-kit:dependabot/npm_and_yarn/checkout/client/multi-c8afcbbcd8Copy head branch name to clipboard