Bump exception_notification from 4.2.1 to 4.2.2
Bump exception_notification from 4.2.1 to 4.2.2

Bumps [exception_notification](https://github.com/smartinez87/exception_notification) from 4.2.1 to 4.2.2.
- [Changelog](https://github.com/smartinez87/exception_notification/blob/master/CHANGELOG.rdoc)
- [Commits](https://github.com/smartinez87/exception_notification/compare/v4.2.1...v4.2.2)
biow0lf/prometheus2.0,biow0lf/prometheus2.0,biow0lf/prometheus2.0,biow0lf/prometheus2.0