Update upload speeds to show Mbps instead of MB/s

[NathanFlurry]

Motivation

Most people use speed tests to get their speed in Mbps. This is deceivingly larger than the MB/s we show in the CLI, so people assume our CLI is slow.

[linear]

CLI-75 Update upload speeds to show Mbps instead of MB/s

[MasterPtato]

I don't know if its most people, I personally use MB/s on steam and prefer to see such units on other speed tests as well