cmake: add version 3.12.2 (#9248)
cmake: add version 3.12.2 (#9248)


iulian787/spack,iulian787/spack,LLNL/spack,LLNL/spack,LLNL/spack,iulian787/spack,LLNL/spack,iulian787/spack,LLNL/spack,iulian787/spack