

TITLE
[scheduled github CI] add deepspeed fairscale deps

COMMENTS
1

REACTIONS
+1: 0
-1: 0
laugh: 0
hooray: 0
heart: 0
rocket: 0
eyes: 0

BODY
This PR adds `deepspeed` +`fairscale` to pip install on multi-gpu self-hosted scheduled job - so that we can start running those tests.

@LysandreJik, @sgugger 