Merge pull request matplotlib#27133 from meeseeksmachine/auto-backport-of-pr-27132-on-v3.8.x

Backport PR matplotlib#27132 on branch v3.8.x (changed automated tests from subsection to section in workflow)

Author: QuLogic

doc/devel/development_workflow.rst

@@ -430,7 +430,7 @@ of history which can cause confusion.
 .. _automated-tests:
 
 Automated tests
----------------
+===============
 
 Whenever a pull request is created or updated, various automated test tools
 will run on all supported platforms and versions of Python.