[FIX] base_setup: correct VAT label for all countries

To reproduce the issue:

1. Install [Accounting] on Apps
2. On [Settings],
- [Users & Companies]>[Companies]: add a company with country Belgium
- Set the company to the Belgian one
- add French, set the language to it
- [General Settings] - check the [Companies] section

Desired behavior: Correction of VAT label

Impacted versions: 14.0 up to master

opw-3104416

closes odoo/odoo#110925

Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>