Fix upload path for macos binaries (#23386)
Summary:
peterjc123 will this affect windows too?
Pull Request resolved: https://github.com/pytorch/pytorch/pull/23386
Differential Revision: D16499443
Pulled By: pjh5
fbshipit-source-id: a3bec32d16f2cd06a097082deae0b020dd8bc5ac
