This update introduces dedicated account tags specifically for Ireland's accounting standards. These tags are linked to both Irish and standard accounts, enabling improved financial reporting through new Profit & Loss and Balance Sheet tag reports. This enhancement supports accurate financial analysis within the Odoo system for Irish businesses.

Added dedicated account tags for ireland CoA. And set these tags to corresponding Irish and default accounts.
These tags are used for computation in new PL and BS tags reports.

Related Enterprise PR: https://github.com/odoo/enterprise/pull/91903

Task: 4978415

Forward-Port-Of: odoo/odoo#222186

This update adjusts payroll rule parameters to reflect changes in US Payroll values for the 2026 tax year. Ensuring these parameters are current is crucial for accurate salary calculations and maintaining compliance with US tax regulations. This update addresses a necessary improvement to the system.

Purpose: Certain US Payroll values changes yearly. The payroll rule parameters must be updated for accurate salary calculation for 2026 for compliance.

task-5409739

Forward-Port-Of: odoo/enterprise#102759
Forward-Port-Of: odoo/enterprise#102711