enable GHA workflow defaults for ROCm (#72142)
Summary:
Also updates the ROCm per-job health check.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/72142
Reviewed By: ngimel
Differential Revision: D33947337
Pulled By: seemethere
fbshipit-source-id: aaf47f3046d254df9f43a71d168f7b81ae44eeab
(cherry picked from commit 72974ae68199e174200d66f9bafa2e0c9cdbfb55)
