Bump qs and express in /example/spa#13

dependabot[bot] wants to merge 1 commit intomasterWiresWare/wire_dart:masterfrom

dependabot/npm_and_yarn/example/spa/qs-and-express-6.11.0WiresWare/wire_dart:dependabot/npm_and_yarn/example/spa/qs-and-express-6.11.0Copy head branch name to clipboard