Drag and drop the .dds file into your vehshare.ytd.

mods \ x64e.rpf \ levels \ gta5 \ vehicles.rpf \ vehshare.ytd

However, if that doesnt work, following this location:

mods \ update \ x64 \ dlcpacks \ patch2023_02 \ dlc.rpf \ x64 \ levels \ gta5\ vehicles.rpf\ vehshare.ytd