build(package.json): update scripts to use `git-chglog --next-tag` flag
build(package.json): update scripts to use `git-chglog --next-tag` flag

alexdiliberto/ember-transformicons,alexdiliberto/ember-cli-transformicons,alexdiliberto/ember-transformicons,alexdiliberto/ember-cli-transformicons,alexdiliberto/ember-transformicons