network-storage: upgrade/change/downgrade info

[catplat]

Priority

3 - Not urgent - can be addressed as team bandwidth permits

Where should the changes be made?

https://docs.upsun.com/add-services/network-storage.html
https://fixed.docs.upsun.com/add-services/network-storage.html

What exactly should be updated?

Version 1.0 is the recommended version. Provide a description of the different versions so customers know which one to select and understand when they should change versions.

Optional: Additional context

No response