Bump rack from 1.6.0 to 1.6.12 in /examples/rails_4_button_example#5

dependabot[bot] wants to merge 1 commit intomasterdcadenas/state_pattern:masterfrom

dependabot/bundler/examples/rails_4_button_example/rack-1.6.12dcadenas/state_pattern:dependabot/bundler/examples/rails_4_button_example/rack-1.6.12Copy head branch name to clipboard