precice: add version 2.0.0 (#14842)
precice: add version 2.0.0 (#14842)

Added python3 dependency
Added support for new CMake variables
iulian787/spack,LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack,iulian787/spack,iulian787/spack,iulian787/spack,LLNL/spack,LLNL/spack