Bump rack from 3.0.10 to 3.1.21 in /app#31

dependabot[bot] wants to merge 1 commit intomainDefangSamples/sample-rails-template:mainfrom

dependabot/bundler/app/rack-3.1.21DefangSamples/sample-rails-template:dependabot/bundler/app/rack-3.1.21Copy head branch name to clipboard