Bump version 12.0.1.2.7

CHANGELOG:

## [12.0.1.2.7] - 2021-05-31
### Fixed
- [#517](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/517) Fix bug in mobile contract search view which didn't allow to search by partner.
- [#510](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/510) Convert to a regular member a partner with cooperative agreement now unsets coop_agreement_id.
- [#505](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/505) Add terminate contract reasons

### Changed
- [#496](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/496) Filter by active contract not_terminated
- [#469](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/469) Looking for partners' submails too in contract search

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