Add the possibility to forbid unreconciliation for accounting entries emitted

on specific accounts on closed periods.

--HG-- branch : 13.0

models/account_account.py

 ##############################################################################
 #
 #    Accounting periods, for Odoo
-#    Copyright (C) 2024 XCG Consulting <http://odoo.consulting>
+#    Copyright © 2024 XCG Consulting <https://xcg-consulting.fr>
 #
 #    This program is free software: you can redistribute it and/or modify
 #    it under the terms of the GNU Affero General Public License as