Package torch/*.pyi type hints (pytorch#103016)

Including `torch._VF` and `torch.return_types`

These are generated by:
https://github.com/pytorch/pytorch/blob/4003e96ca1e54df58772870eb779c66e4b6e51fb/tools/pyi/gen_pyi.py#L1139-L1155

Ref pytorch#99541
Pull Request resolved: pytorch#103016
Approved by: https://github.com/Skylion007

Author: lkct

setup.py

@@ -1052,6 +1052,7 @@ def main():
         'py.typed',
         'bin/*',
         'test/*',
+        '*.pyi',
         '_C/*.pyi',
         'cuda/*.pyi',
         'fx/*.pyi',