This adds payroll support for Vietnam, including localized salary structures, rules, work entries, calendars, and payroll accounting defaults. Businesses operating in Vietnam can now calculate payroll and related accounting entries more closely aligned with local requirements, including insurance, union fees, personal income tax, and salary advances.

Forward-Port-Of: odoo/enterprise#132154

This adds payroll localization support for Vietnam, helping businesses manage country-specific payroll requirements in Odoo. It also updates related work entry and time-off configuration so payroll calculations can align with Vietnamese HR practices.

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




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Forward-Port-Of: odoo/odoo#289186