v2.2.1: Release: 2.2.1

## [2.2.1](https://github.com/repetere/jsonm/compare/v2.2.0...v2.2.1) (2022-08-04)

### Bug Fixes

* added getModel validation with no inputs/outputs ([411010b](https://github.com/repetere/jsonm/commit/411010b43b66035059dc42b315fe47e79587004d))