Add MonkeyType dependency for testing on Linux (#55305)
Summary:
Install Monkey Type as part of our testing on Linux
Pull Request resolved: https://github.com/pytorch/pytorch/pull/55305
Reviewed By: ailzhang
Differential Revision: D27592679
Pulled By: nikithamalgifb
fbshipit-source-id: c92b786e45fc16288d658228a5f96aca53a3da6b
