[3.13] gh-132921: Fix setuptools._distutils.dep_util deprecation (#133522)

gh-132921: Fix setuptools._distutils.dep_util deprecation

Get newer_group from setuptools.modified on recent setuptools
versions, but keep support for old setuptools versions.

Author: vstinner

Tools/peg_generator/pegen/build.py

@@ -95,7 +95,10 @@ def compile_c_extension(
     import setuptools.logging
 
     from setuptools import Extension, Distribution
-    from setuptools._distutils.dep_util import newer_group
+    try:
+        from setuptools.modified import newer_group
+    except ImportError:
+        from setuptools._distutils.dep_util import newer_group
     from setuptools._distutils.ccompiler import new_compiler
     from setuptools._distutils.sysconfig import customize_compiler