[BE][GHA] Further refactor `checkout_pytorch`
Rename `checkout_pytorch` to `checkout` and assign `submodules` argument
a default values, which allow one to replace 10+
`common.checkout_pytorch("recursive")` with `common.checkout()`
And also use the same macro to checkout builder in binary builds
workflow
Pull Request resolved: https://github.com/pytorch/pytorch/pull/71664
