Add returned SIM process
CHANGELOG:
### Fixed
- [#1174](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1174) Correos SIM devolution process
Related card: https://trello.com/c/JxWSZsyG/1826-api-correos-proc%C3%A9s-de-devoluci%C3%B3
Edited by Gerard Funosas