tax_rounding defines on the wrong module
Since rf57cb6b80d9d, the tax_rounding configuration is used in the module account and no more in account_invoice so the configuration should be moved from account_invoice to account module.
Since rf57cb6b80d9d, the tax_rounding configuration is used in the module account and no more in account_invoice so the configuration should be moved from account_invoice to account module.