Automated submodule update: FBGEMM (#58161)
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/4b8aaad4264fea6c9358363f6a2f9803ce3c70f9
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58161
Test Plan: Ensure that CI jobs succeed on GitHub before landing.
Reviewed By: jspark1105
Differential Revision: D28385619
fbshipit-source-id: ace938b1e43760b4bedd596ebbd355168a8706b7
