Move MacOS x86_64 build and test jobs to periodic (#96279)
The correlation result can be found at https://github.com/pytorch/test-infra/pull/3852. This is the first step toward reducing the redundancy of having both x86_64 and Apple silicon M1
Pull Request resolved: https://github.com/pytorch/pytorch/pull/96279
Approved by: https://github.com/ZainRizvi, https://github.com/seemethere, https://github.com/malfet