feat(product_pack_line): Add fiber 300 pack with IL 20 mobile
CHANGELOG:
### Added
- [#1053](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1053) Add fiber 300 pack with IL 20 mobile as product and product_pack_line
Edited by Gerard Funosas