Bump version 0.0.21
## [0.0.21] - 2022-01-21
### Added
- [#116](https://gitlab.com/coopdevs/pymasmovil/-/merge_requests/116) Allow to filter out KO order items according to their status when retrieving them by ICC
### Fixed
- [#118](https://gitlab.com/coopdevs/pymasmovil/-/merge_requests/118) Do not try to fill contract dictionary parameters if they are empty in the original MM instances.
- [#117](https://gitlab.com/coopdevs/pymasmovil/-/merge_requests/117) Filter out order items without `SimAttributes` parameter before filtering by ICC.