Have testing overhead dashboard only use successful workflows (#100580)
Once this pr is approved I'll update the data to do this.
Relevant queryhttps://console.rockset.com/query?query_text_id=8b05b37e-747b-421c-9347-151586b0ac80
Pull Request resolved: https://github.com/pytorch/pytorch/pull/100580
Approved by: https://github.com/huydhn
