petsc: forward +metis to mumps (#21291)
petsc: forward +metis to mumps (#21291)

Co-authored-by: lpoirel <1f87f725433d1372ec8b55aa266d4d2f3093ad1c@users.noreply.github.com>
LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack