Avalara tax plugin. Update SDK version to the new one

Author: skoshelevCreated Oct 13, 2025Updated Sep 18, 2026
Labelsrefactoring / source code

Now we use Avalara SDK version 23.5, but the newest version is 25.9. We missed a couple of breaking changes and need to consider updating our plugin to use the new version of the SDK.

Source: nopSolutions/nopCommerce