Fix v3 nightly workflow (#1526)
Summary:
Fix the bugs in the v3 nightly workflow.
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1526
Test Plan: https://github.com/pytorch/benchmark/actions/runs/4614004387
Reviewed By: weiwangmeta
Differential Revision: D44693131
Pulled By: xuzhao9
fbshipit-source-id: 6d0347d5d97e3e43d97f3d5d542327f502826bdd
