save linux build binary size to Scuba (#30832)
Summary:
example: https://fburl.com/scuba/mjheume7
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30832
Differential Revision: D18857146
Pulled By: mingbowan
fbshipit-source-id: 66bcd352922944c227f337a66e8a75e2d7393fd3
