[CI] Rename TSAN job (#92929)
Underlying docker has actually been migrated from py3_7 to py3_9 as part of https://github.com/pytorch/pytorch/pull/92712 but I forgot to update the TSAN names.
I.e. this is a no-op.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/92929
Approved by: https://github.com/clee2000, https://github.com/weiwangmeta, https://github.com/osalpekar
