Bump version 12.0.1.6.2

CHANGELOG:

## [12.0.1.6.2] - 2021-09-29
### Added
- [#628](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/628) Add costs analytic accounts
- [#580](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/580) Add copy account_id of AccountInvoice in duplication.

### Fixed
- [#610](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/610) Activity now assigned to current user

### Changed
- [#460](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/460) Refactor 'body=' patch in rest controller to hooks.py

Related card: https://trello.com/c/semz64GM/988-release-120162

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