Bump dotenv-rails to 2.2.1
Bump dotenv-rails to 2.2.1

Bumps [dotenv-rails](https://github.com/bkeepers/dotenv) from 2.2.0 to 2.2.1.
- [Changelog](https://github.com/bkeepers/dotenv/blob/master/Changelog.md)
- [Commits](https://github.com/bkeepers/dotenv/compare/v2.2.0...v2.2.1)
openpolitics/votebot,openpolitics/votebot,openpolitics/votebot