Merge branch 'upstream-diy' into fix_diy2_unused_call_result_warning

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/assigner.hpp

...rdparty/diy/vtkmdiy/include/vtkmdiy/critical-resource.hpp

...dparty/diy/vtkmdiy/include/vtkmdiy/detail/collectives.hpp

...diy/vtkmdiy/include/vtkmdiy/detail/master/collectives.hpp

...ty/diy/vtkmdiy/include/vtkmdiy/detail/master/commands.hpp

...y/vtkmdiy/include/vtkmdiy/detail/master/communication.hpp

...y/diy/vtkmdiy/include/vtkmdiy/detail/master/execution.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/grid.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/io/shared.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/io/utils.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/link.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/master.hpp

...irdparty/diy/vtkmdiy/include/vtkmdiy/mpi/communicator.hpp

.../thirdparty/diy/vtkmdiy/include/vtkmdiy/mpi/datatypes.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/mpi/io.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/no-thread.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/proxy.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/resolve.hpp

.../thirdparty/diy/vtkmdiy/include/vtkmdiy/serialization.hpp

vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/stats.hpp