ZEN-32231: PKG/SPEC - expanse/0.17.3/cpu/b - User requested updated version of LAMMPS

[mkandes]

Original request can be found here: https://sdsc.zendesk.com/agent/tickets/32231

Note, however, there likely remains the problem with OpenMP as discovered with a GPU-enabled version, which remains an open issue. #112