Fix a bug in S3 upload script (#1684)
Summary:
Fix the bug in S3 upload script for T4 Metal and V3 nightly A100 workflows.
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1684
Test Plan:
T4 workflow:
https://github.com/pytorch/benchmark/actions/runs/5071955272
V3 nightly workflow:
https://github.com/pytorch/benchmark/actions/runs/5094810765
Reviewed By: FindHao
Differential Revision: D46227831
Pulled By: xuzhao9
fbshipit-source-id: 535fb497a2f82a12611d134f9989be682db26904
