Bump version 12.0.2.1.9

Gerard Funosasrequested to merge
release/12.0.2.1.9 into master

CHANGELOG:

## [12.0.2.1.9] - 2023-03-15
### Fixed
- [#1009](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1009) Fix Correos Seguimiento usage with the changes in the API.

Related card: https://trello.com/c/VSe0eZxG/1608-release-120219

Edited by Gerard Funosas

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