Automated submodule update: FBGEMM (#54486)
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/8998e6f1d74abad3406d23216fa2fd11136cd578
Pull Request resolved: https://github.com/pytorch/pytorch/pull/54486
Test Plan: Ensure that CI jobs succeed on GitHub before landing.
Reviewed By: jspark1105
Differential Revision: D27255655
fbshipit-source-id: 5315687d4121c5ff2628ba7f134c1a5134369ed2
