Bump version 12.0.1.2.3

CHANGELOG:

## [12.0.1.2.3] - 2021-05-10
### Changed
- [#487](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/487) Move view to recently created CRMLeadLine in `create_lead_from_partner` and `contract_address_change` wizards, instead of the parent CRMLead
- [#471](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/741) Move CRMLead ValidationError for mutliple CRMLeadLines associated into `action_set_won` method from CRMLead

### Fixed
- [#486](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/486) Fix activity type record

### Removed
- [#488](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/488) Remove option to cancel a contract termination (reactivation)
- [#475](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/475) Remove action to duplicate a CRMLeadLine from their form view.

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