ETS2 - RJL Scania T

Changelog v21.5.22 to v21.13:
Updated the mod for game version 1.44
Updated engine sound definitions for Convoy
Updated transmission sound definitions for Convoy
Updated chassis definitions
Added interior sound attenuation
Removed obsolete wear attributes from Truck Dealer and Truck Browser definitions
Removed obsolete steering wheel animation

Authors: RJL/Fordsonmies