Automated submodule update: FBGEMM (#59968)
Summary:
This is an automated pull request to update the first-party submodule for [pytorch/FBGEMM](https://github.com/pytorch/FBGEMM).
New submodule commit: https://github.com/pytorch/FBGEMM/commit/a2257d947107dedb424d1f07c8346b4b901968bd
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59968
Test Plan: Ensure that CI jobs succeed on GitHub before landing.
Reviewed By: r-barnes
Differential Revision: D29109045
fbshipit-source-id: 386b28b28275e728ee229d4baf1ff192635d49c3
