Bump github.com/dogmatiq/testkit from 0.18.1 to 0.19.0#174

github-actions[bot] merged 4 commits intomaindogmatiq/example:mainfrom

dependabot/go_modules/github.com/dogmatiq/testkit-0.19.0dogmatiq/example:dependabot/go_modules/github.com/dogmatiq/testkit-0.19.0Copy head branch name to clipboard