ui-dev: bump rack from 2.2.8 to 3.1.3 in /server/src/main/webapp/WEB-INF/rails#3813

dependabot[bot] wants to merge 1 commit intomasterstackriot/gocd:masterfrom

dependabot/bundler/server/src/main/webapp/WEB-INF/rails/rack-3.1.3stackriot/gocd:dependabot/bundler/server/src/main/webapp/WEB-INF/rails/rack-3.1.3Copy head branch name to clipboard