Update CODEOWNERS for distributed training (#54661)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/54661
My username was somehow deleted, and I couldn't receive review requests.
ghstack-source-id: 124853153
Test Plan: N/A
Reviewed By: rohan-varma
Differential Revision: D27320286
fbshipit-source-id: c38ea3adb2e8197f949a806127d20982299a2851
