oce: add 0.18.3 (#8477)
oce: add 0.18.3 (#8477)


iulian787/spack,mfherbst/spack,krafczyk/spack,iulian787/spack,mfherbst/spack,krafczyk/spack,mfherbst/spack,mfherbst/spack,iulian787/spack,matthiasdiener/spack,LLNL/spack,matthiasdiener/spack,matthiasdiener/spack,LLNL/spack,LLNL/spack,krafczyk/spack,matthiasdiener/spack,krafczyk/spack,iulian787/spack,krafczyk/spack,LLNL/spack,iulian787/spack,mfherbst/spack,matthiasdiener/spack,LLNL/spack