Validation date offset

[Warlocklogan]

Actually, validation dates on transactions are stored in the French timezone but in Odoo the timezone attended is UTC. A minor fix is needed in the _payfip_evaluate_data method for passing the timezone into an UTC one.

[Warlocklogan]

Waiting V13 Integration

[Creamaster]

@Warlocklogan : supprimer l'ajout de la timezone lors de #26

            # localize validation datetime into utc datetime string format
            date_validate = fields.Datetime.to_string(payfip_tz.localize(
                datetime(year, month, day, hour=hour, minute=minute, tzinfo=payfip_tz) + td_minute
            ).astimezone(pytz.UTC))

supprimer : tzinfo=payfip_tz