Bump version 12.0.1.8.7

CHANGELOG:

## [12.0.1.8.7] - 2022-03-16
### Added
- [#775](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/775) Add boolean flag to partners which blocks automatized OC contract creation
- [#770](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/770) REVISAR FIX flag in OTRS
- [#743](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/743) Make cancelled crm lead lines visible and searchable
- [#630](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/630) Enviament de correu a les persones apadrinades per socis que es donen de baixa.

### Fixed
- [#769](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/769) Validate VAT also in modifications.
- [#762](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/762) Fix product catalog visibility in wizards.

Related card: https://trello.com/c/BtcRhNbN/1229-release-120187

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