[skip ci] Set test owners for sparse tests (#66863)
Summary:
Action following https://github.com/pytorch/pytorch/issues/66232
cc nikitaved pearu cpuhrsch IvanYashchuk
Pull Request resolved: https://github.com/pytorch/pytorch/pull/66863
Reviewed By: anjali411
Differential Revision: D31771126
Pulled By: janeyx99
fbshipit-source-id: 6cb5ca0557e8555f6a09b3e607ff8888e505486e
