Bump rack-contrib from 1.1.0 to 2.5.0#8

dependabot[bot] wants to merge 1 commit intomasteratosorigin/wercker-devcenter:masterfrom

dependabot/bundler/rack-contrib-2.5.0atosorigin/wercker-devcenter:dependabot/bundler/rack-contrib-2.5.0Copy head branch name to clipboard