Fix Matplotlib warning in postprocess-plotter
postprocess_plotter.py:258: MatplotlibDeprecationWarning: Setting data with a non sequence type is deprecated since 3.7 and will be remove two minor releases later point_marker.set_data(x, y)
postprocess_plotter.py:293: MatplotlibDeprecationWarning: Setting data with a non sequence type is deprecated since 3.7 and will be remove two minor releases later energy_marker.set_xdata(energy)
Edited by Niclas Wall Wennerdal