CMake 3.30.3 Warning

[Laurie Nevay]

CMake Warning (dev) at cmake/Boost.cmake:10 (find_package):
   Policy CMP0167 is not set: The FindBoost module is removed.  Run "cmake
   --help-policy CMP0167" for policy details.  Use the cmake_policy command to
   set the policy and suppress this warning.

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