ci: Move multigpu to periodic
We have hard limitations on the number of linux.16xlarge.nvidia.gpu
machines we can spin up. Considering that the TTS for this specific job
has increased 2x over the past 7 days.
Signed-off-by: Eli Uriegas <eliuriegasfb.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/79894
Approved by: https://github.com/malfet, https://github.com/janeyx99
