upgrade clang-tidy to 11 (#46043)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/46043
As title, this is necessary for some internal linter thing
Test Plan: Imported from OSS
Reviewed By: malfet
Differential Revision: D24197316
Pulled By: suo
fbshipit-source-id: 07e69fd6ce1937a0caa5838d6995eeed1be5162d
