Balay/petsc 3.13.0 (#15767)
Balay/petsc 3.13.0 (#15767)

* petsc: add 3.13.0 (using petsc-lite) and 3.12.5

* petsc@3.13.0: update hdf5 and superlu-dist dependencies

* flake8 fix

* fixes for comments

Co-authored-by: Jed Brown <58df768959dd06ee96a0a2c42d6cb59ebc2cc6b8@jedbrown.org>
iulian787/spack,iulian787/spack,LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack,LLNL/spack,iulian787/spack,LLNL/spack,iulian787/spack