[17.0][MIG] account_multicurrency_revaluation

[Qlasta]

migrate v16.0 to v17.0, with fix reverse_revaluate_currency wizard post.

File "/mnt/data/odoo-addons-dir/account_multicurrency_revaluation/wizard/wizard_reverse_currency_revaluation.py", line 77, in reverse_revaluate_currency entry.post() AttributeError: 'account.move' object has no attribute 'post'