[2102561] sysprep-info should link to downstream doc

+++ This bug was initially created as a clone of Bug #2063153 +++

Description of problem:
The "Learn more" link after
"
Sysprep is an automation tool for Windows that automates Windows installation, setup, and custom software provisioning. An answer file is an XML-based file that contains setting definitions and values to use during Windows Setup
"
link currently to the related kubevirt documentation.

https://github.com/openshift/openshift-docs/pull/41263
introduced downstream documentation, which would be a better link target now.

Version-Release number of selected component (if applicable):
4.10

How reproducible:
100%

Steps to Reproduce:
1. Create Virtual Machine from template
2. Customize Virtual machine
3. (4) Advanced

Actual results:
Link points to https://kubevirt.io/user-guide/virtual_machines/startup_scripts/#sysprep

Expected results:
Link points to https://docs.openshift.com/container-platform/4.10/virt/virtual_machines/virt-automating-windows-sysprep.html

of the current version.

Additional info: