pytorch

de9364ae - fixes clang-tidy-11 install by using ubuntu18.04 instead of 20.04 (#51725)

fixes clang-tidy-11 install by using ubuntu18.04 instead of 20.04 (#51725) Summary: Fixes #{issue number} Pull Request resolved: https://github.com/pytorch/pytorch/pull/51725 Reviewed By: walterddr Differential Revision: D26255539 Pulled By: janeyx99 fbshipit-source-id: 1b4459e0c474938c134c529501c6c04106d5b18e