data(previous.provider): Add fibracat as a previous provider

CHANGELOG:

### Added
- [#1132](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1132) 

Related card: https://trello.com/c/1v5CYlLZ/1752-afegir-fibracat-a-prove%C3%AFdors-anteriors

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