Log Message:
py-matplotlib: updated to 3.5.3

v3.5.3

This release contains several bug-fixes and adjustments:

Fix alignment of over/under symbols
Fix bugs in colorbars:
alpha of extensions
drawedges=True with extensions
handling of panchor=False
Fix builds on Cygwin and IBM i
Fix contour labels in SubFigures
Fix cursor output:
for imshow with all negative values
when using BoundaryNorm
Fix interactivity in IPython/Jupyter
Fix NaN handling in errorbar
Fix NumPy conversion from AstroPy unit arrays
Fix positional markerfmt passed to stem
Fix unpickling:
crash loading in a separate process
incorrect DPI when HiDPI screens