update kineto submodule (#51566)
Summary:
To make the dumping callstack feature work, I have to make pytorch refer to latest kineto version.
Callstack feature's kineto side: [Link](https://github.com/pytorch/kineto/commit/66a4cad380d3ce4fb8d7b38351f841899d9bf950);
Callstack feature's pytorch side: [Link](https://github.com/pytorch/pytorch/pull/51565)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51566
Reviewed By: ilia-cher
Differential Revision: D26205782
Pulled By: gdankel
fbshipit-source-id: 52d835e45a87ab4630fd22ea024cb41b82c96ebc
