Update CODEOWNERS (#51726)
Summary:
add myself and alban to folders
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51726
Reviewed By: albanD
Differential Revision: D26254528
Pulled By: soulitzer
fbshipit-source-id: 91477dda3ff81014dbadd3a93f5f511ac3da81e0
