Fix broken periodic workflow after removing ios secret (#85664)
Broken after https://github.com/pytorch/pytorch/pull/85597, i.e. https://github.com/pytorch/pytorch/actions/runs/3130970082
```
The workflow is not valid. .github/workflows/periodic.yml (Line: 189, Col: 26): Invalid secret, IOS_CERT_KEY_2022 is not defined in the referenced workflow. .github/workflows/periodic.yml (Line: 190, Col: 24): Invalid secret, IOS_CERT_SECRET is not defined in the referenced workflow.
```
Pull Request resolved: https://github.com/pytorch/pytorch/pull/85664
Approved by: https://github.com/clee2000, https://github.com/kit1980, https://github.com/janeyx99, https://github.com/ZainRizvi, https://github.com/malfet
