Bump rack from 2.2.2 to 2.2.8.1 in /api/ruby/building-your-first-github-app#4

dependabot[bot] wants to merge 1 commit intomasterps-corp-platform/platform-samples:masterfrom

dependabot/bundler/api/ruby/building-your-first-github-app/rack-2.2.8.1ps-corp-platform/platform-samples:dependabot/bundler/api/ruby/building-your-first-github-app/rack-2.2.8.1Copy head branch name to clipboard