Bump version 12.0.2.3.4
CHANGELOG:
## [12.0.2.3.4] - 2023-08-02
### Added
- [#1078](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1078) Add Virgin Telco previous provider
- [#1077](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1077) Add wizard to add mobile lines to an existing fiber CRMLead.
- [#1074](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1074) Add existing shared bond option to change mobile tariff wizard.
### Changed
- [#1073](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1073) Allow to duplicate Coop Agreement instances keeping the unique code constraint by adding a new default code when copying the model
https://trello.com/c/KvHBhg97/1627-release-120234
Related card:Edited by Gerard Funosas