Bump version 12.0.1.8.9
CHANGELOG:
## [12.0.1.8.9] - 2022-04-06
### Added
- [#786](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/786) Expose sponsorship code and sponsees limit
- [#781](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/781) Show `vodafone_id` in Vodafone and Router4G contract form view.
### Fixed
- [#776](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/776) Set activity done to True and activity_type to one_shot
Related card: https://trello.com/c/33A3HNDa/1245-release-120189
Edited by Pelayo García