The Voice Chat Package "Vivox" isn't Supported on Ubuntu

Steps to reproduce:

1. Create a project with MR Multiplayer Table Template
2. Enter Play Mode
3. Observe the Console Window

Actual results: [Vivox]: Failed to make your request; this is not a supported platform

Expected results: Request is made successfully or a voice chat is not include for linux pr some other workaround

Reproducible with versions: 6000.1.0b13
Tested on (OS): Ubuntu 22