Fix temporarily broken customer portal link (#1998)

This fix should be temporary until the Customer Portal team fixes the old link.

Author: PProfizi

doc/source/getting_started/dpf_server.rst

@@ -11,7 +11,7 @@ simulation workflow.
 The DPF Server is packaged within the **Ansys installer** in Ansys 2021 R1 and later.
 
 It is also available as a standalone package that contains all the necessary files to run, enabling DPF capabilities.
-The standalone DPF Server is available on the `DPF Pre-Release page <https://download.ansys.com/Others/DPF%20Pre-Release>`_ of the Ansys Customer Portal.
+The standalone DPF Server is available on the `DPF Pre-Release page <https://download-archive.ansys.com/Others/DPF%20Pre-Release>`_ of the Ansys Customer Portal.
 The first standalone version of DPF Server available is 6.0 (2023 R2).
 
 The sections on this page describe how to install and use a standalone DPF Server.