Merge pull request matplotlib#28253 from meeseeksmachine/auto-backport-of-pr-28252-on-v3.9.x

Backport PR matplotlib#28252 on branch v3.9.x (DOC: Flip the imshow plot types example to match the other examples)

Author: timhoffm

galleries/plot_types/arrays/imshow.py

@@ -19,6 +19,6 @@
 # plot
 fig, ax = plt.subplots()
 
-ax.imshow(Z)
+ax.imshow(Z, origin='lower')
 
 plt.show()