neovim package: add version 0.3.4 (#10472)
neovim package: add version 0.3.4 (#10472)


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