[3.13] pythongh-132726: Change the heading of sysconfig CLI section (pythonGH-133035) (python#133088)

Co-authored-by: Semyon Moroz <donbarbos@proton.me>

Author: miss-islington

Doc/library/sysconfig.rst

@@ -429,9 +429,10 @@ Other functions
    Return the path of :file:`Makefile`.
 
 .. _sysconfig-cli:
+.. _using-sysconfig-as-a-script:
 
-Using :mod:`sysconfig` as a script
-----------------------------------
+Command-line usage
+------------------
 
 You can use :mod:`sysconfig` as a script with Python's *-m* option: