Merge pull request matplotlib#26583 from meeseeksmachine/auto-backport-of-pr-26578-on-v3.8.x

Backport PR matplotlib#26578 on branch v3.8.x (MAINT: add __pycache__/ to .gitignore)

Author: QuLogic

.gitignore

@@ -92,6 +92,7 @@ doc/.mpl_skip_subdirs.yaml
 *.py,cover
 cover/
 .noseids
+__pycache__
 
 # Conda files #
 ###############