Bump version 12.0.2.6.3
CHANGELOG:
## [12.0.2.6.3] - 2024-07-03
### Fixed
- [#1243](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1243) Add contract_ids to SwitchboardServiceContractInfo
Related card: https://trello.com/c/poo3ix9Y/1914-release-odoo-120263
Edited by Gerard Funosas