message: chore(CI): output changelog link after promotion
diff: @@ -154,6 +154,7 @@ npx chalk green bold "Success!"
  npx chalk --template "{green Library version {bold $VERSION_NUMBER} promoted and demos released!}"
  npx chalk --template "{yellow UI Library on NPM: {blue.bold.underline https://www.npmjs.com/package/@terminus/ui?activeTab=versions}}"
  npx chalk --template "{yellow Live demos: {blue.bold.underline https://getterminus.github.io/ui-demos-release}}"
  +npx chalk --template "{yellow Changelog: {blue.bold.underline https://github.com/GetTerminus/terminus-ui/blob/release/CHANGELOG.md}}"
  # Reset any git changes
  git checkout .
  