Automated submodule update: FBGEMM (#53947)
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/a7fd8fba11c9aef0c54f1c489b616ecf3d1973a1
Pull Request resolved: https://github.com/pytorch/pytorch/pull/53947
Test Plan: Ensure that CI jobs succeed on GitHub before landing.
Reviewed By: jspark1105
Differential Revision: D27031755
fbshipit-source-id: d4cc9a791d4b9908f993a950c539bcbd988bde8b
