starpu: Use starpu_mpi_interface_datatype_node_register when available
starpu_mpi_interface_datatype_node_register will allow StarPU-MPI to use NUMA buffers and GPUDirect.
GitLab upgrade completed. Current version is 17.11.6.
starpu_mpi_interface_datatype_node_register will allow StarPU-MPI to use NUMA buffers and GPUDirect.