Cmake error should be useful when hdf5 without cxx is what cmake finds

[PDoakORNL]

We require the cxx support of hdf5 to available, right now the error emitted by cmake provides no clue at all if that is what is going wrong

CMake Error at /scratch/spack/opt/spack/linux-x86_64_v4/cmake-3.31.9-fuhhvsjg5umss5stbg6m3yg5fx5zdpt4/share/cmake-3.31/Modules/Fin
dPackageHandleStandardArgs.cmake:233 (message):
  Could NOT find HDF5 (missing: HDF5_INCLUDE_DIRS) (found version "1.14.6")
Call Stack (most recent call first):
  /scratch/spack/opt/spack/linux-x86_64_v4/cmake-3.31.9-fuhhvsjg5umss5stbg6m3yg5fx5zdpt4/share/cmake-3.31/Modules/FindPackageHandl
eStandardArgs.cmake:603 (_FPHSA_FAILURE_MESSAGE)
  /scratch/spack/opt/spack/linux-x86_64_v4/cmake-3.31.9-fuhhvsjg5umss5stbg6m3yg5fx5zdpt4/share/cmake-3.31/Modules/FindHDF5.cmake:1
027 (find_package_handle_standard_args)
  cmake/dca_external_libs.cmake:46 (find_package)
  CMakeLists.txt:122 (include)