Added missing antialias argument to functional.pyi.in (#72420)

Summary:
Description:
- Added missing antialias argument to functional.pyi.in
- mypy is happy if checking `interpolate` method with antialias argument

Related torchvision issue: pytorch/vision#5329

Pull Request resolved: #72420

Reviewed By: mruberry

Differential Revision: D34043182

Pulled By: albanD

fbshipit-source-id: ca64a8f0d2516c1be5b060c1c24e0b1ed2127b96

Author: vfdev-5

torch/nn/functional.pyi.in

@@ -305,7 +305,8 @@ def upsample(input: Any, size: Optional[Any] = ..., scale_factor: Optional[Any]
 
 
 def interpolate(input: Any, size: Optional[Any] = ..., scale_factor: Optional[Any] = ..., mode: str = ...,
-                align_corners: Optional[Any] = ..., recompute_scale_factor: Optional[Any] = ...): ...
+                align_corners: Optional[Any] = ..., recompute_scale_factor: Optional[Any] = ...,
+                antialias: bool = ...): ...
 
 
 def upsample_nearest(input: Any, size: Optional[Any] = ..., scale_factor: Optional[Any] = ...): ...