[SUBMODULE] Update Doxygen SCons tool.
[SUBMODULE] Update Doxygen SCons tool.

wheeler-microfluidics/dmf-control-board-firmware,wheeler-microfluidics/dmf-control-board-firmware,wheeler-microfluidics/dmf-control-board-firmware,wheeler-microfluidics/dmf_control_board_plugin,wheeler-microfluidics/dmf-control-board-firmware