[FIX] base_vat: Albania
[FIX] base_vat: Albania

The module `vatnumber` (which is not maintained anymore) uses an
incorrect validation method for Albanian VAT numbers. Therefore, we use
the library `stdnum`, on which `vatnumber` relies for most cases.

opw-1912680

closes odoo/odoo#29280
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo