Automated submodule update: FBGEMM (#46079)
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/974d2b41e7ce367545ee244794f857e82ba2a590
Pull Request resolved: https://github.com/pytorch/pytorch/pull/46079
Test Plan: Ensure that CI jobs succeed on GitHub before landing.
Reviewed By: jspark1105
Differential Revision: D24213375
fbshipit-source-id: b80786490079f9f56a90e10fbb476d0963cf2abc
