Make Jeff and Jithun .circleci/docker code owners (#60958)
Summary:
Following up on https://github.com/pytorch/pytorch/pull/60658#issuecomment-870681027.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60958
Reviewed By: 1ntEgr8
Differential Revision: D29460721
Pulled By: samestep
fbshipit-source-id: 74badff6c4a17b3ff48dc2fc27d1faa9edeae097
