[Snyk] Security upgrade sinatra-contrib from 2.0.2 to 2.0.3#20

mrstebo wants to merge 1 commit intomastermrstebo/Slack.ProgrammingExcuses:masterfrom

snyk-fix-280c47ee5ef34eff4cfba57a81742c6bmrstebo/Slack.ProgrammingExcuses:snyk-fix-280c47ee5ef34eff4cfba57a81742c6bCopy head branch name to clipboard