[IMP] add Vera previous provider

CHANGELOG:

### Added
- [#1326](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1326) Add Vera previous provider

Related card: https://trello.com/c/qBJTgKub/2012-afegir-vera-als-operadors-previs

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