Match case of package name to suppress warning (#35201)
Summary:
https://github.com/Kitware/CMake/commit/ee4673c1ae1e4a1aa4687412717567c2ffbb501b
`find_package(Torch)` is used most of the time: https://pytorch.org/cppdocs/installing.html
Pull Request resolved: https://github.com/pytorch/pytorch/pull/35201
Differential Revision: D20627251
Pulled By: albanD
fbshipit-source-id: edc151ca437f1f0a778b9834db481bbc887cb9f5
