[IMP] l10n_jp: Set 'round_globally' as the default tax rounding method

Under Japan’s Qualified Invoice System, which took effect in October 2023,
the consumption tax amount should be calculated and rounded based on the
total invoice amount for each tax rate, rather than on an item-by-item basis.

See https://www.pwc.com/jp/en/taxnews/pdf/jtu-20221111-en.pdf

closes odoo#193522

Signed-off-by: Josse Colpaert (jco) <[email protected]>

Author: yostashiro

addons/l10n_jp/models/template_jp.py

@@ -40,5 +40,6 @@ def _get_jp_res_company(self):
                 'account_journal_early_pay_discount_gain_account_id': 'l10n_jp_425000',
                 'account_sale_tax_id': 'l10n_jp_tax_sale_exc_10',
                 'account_purchase_tax_id': 'l10n_jp_tax_purchase_exc_10',
+                'tax_calculation_rounding_method': 'round_globally',
             },
         }