Bump rack from 2.2.3 to 2.2.6.3 in /frontend-sinatra#30

dependabot[bot] wants to merge 1 commit intomasterhojulian/service-api-example:masterfrom

dependabot/bundler/frontend-sinatra/rack-2.2.6.3hojulian/service-api-example:dependabot/bundler/frontend-sinatra/rack-2.2.6.3Copy head branch name to clipboard