[FIX] *: update v14 urls

Remove outdated references to 13.0

Closes odoo/documentation-user#755

general/in_app_purchase/in_app_purchase.rst

@@ -68,4 +68,4 @@ Offering my own services
 I am more than welcome to offer my own IAP services through Odoo Apps! It is the perfect opportunity
 to get recurring revenue for an ongoing service use rather than — and possibly instead of — a sole
 initial purchase. Please, find more information at: `In-App Purchase
-<https://www.odoo.com/documentation/13.0/webservices/iap.html>`_
+<https://www.odoo.com/documentation/14.0/webservices/iap.html>`_

general/multi_companies/manage_multi_companies.rst

@@ -129,5 +129,5 @@ at an invoice/bills level or at a sales/purchase orders level.
    Remember to test all workflows as an user other than the administrator.
 
 .. seealso::
-   - `Multi-company Guidelines <https://www.odoo.com/documentation/13.0/howtos/company.html>`_
+   - `Multi-company Guidelines <https://www.odoo.com/documentation/14.0/howtos/company.html>`_
    - :doc:`../../accounting/others/multicurrencies/how_it_works`

general/odoo_basics/add_user.rst

@@ -129,7 +129,7 @@ the user can have access.
 .. note::
    Note that if not handled correctly, it may be the source of a lot of inconsistent multi-company
    behaviors. Therefore, a good knowledge of Odoo is required. For technical explanations refer
-   to `this <https://www.odoo.com/documentation/13.0/howtos/company.html>`_ documentation.
+   to `this <https://www.odoo.com/documentation/14.0/howtos/company.html>`_ documentation.
 
 .. image:: media/multi_companies.png
    :align: center