in cmake 3.28 FindCUDA (used by BLT via Umpire) requires [policy 146](https://cmake.org/cmake/help/latest/policy/CMP0146.html#policy:CMP0146) set to `OLD`  revamp of CUDA support in BLT is not yet ready: https://github.com/LLNL/blt/pull/585