Bump version 12.0.1.5.2

CHANGELOG:

## [12.0.1.5.2] - 2021-09-07
### Added
- [#603](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/603) Add new fiber 100Mb without landline product
- [#601](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/601) Create mobile contract otrs view

### Fixed
- [#599](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/599) Avoid dividing by zero
- [#590](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/590) Fix international minutes products: delete the erroneous 200 minutes product and add the missing 600 minutes one.

### Changed
- [#605](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/605) Move change address wizard button to contract view
- [#601](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/601) Limit `update_ticket_with_coverage_info` method to BA tickets
- [#594](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/594) Moved OC code to async (job) in partner address updadte

Related card: https://trello.com/c/bIpJ6S82/953-release-120152

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