Bump rack from 2.1.1 to 2.2.6.2#21

dependabot[bot] wants to merge 1 commit intomastercodershona/Alpha-Software-Blog-App:masterfrom

dependabot/bundler/rack-2.2.6.2codershona/Alpha-Software-Blog-App:dependabot/bundler/rack-2.2.6.2Copy head branch name to clipboard