Bump rack from 2.0.5 to 2.2.3 in /api/ruby/building-your-first-github-app#1

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

dependabot/bundler/api/ruby/building-your-first-github-app/rack-2.2.3Fraules/platform-samples:dependabot/bundler/api/ruby/building-your-first-github-app/rack-2.2.3Copy head branch name to clipboard