Bump setuptools to 70.0 (#11994)

stubs/setuptools/@tests/stubtest_allowlist.txt

@@ -3,6 +3,10 @@ pkg_resources.PathMetadata.egg_info
 pkg_resources.EggMetadata.loader
 pkg_resources.ZipProvider.loader
 
+# Is a functools.partial, so stubtest says "is not a function"
+setuptools.modified.newer_pairwise_group
+setuptools._distutils._modified.newer_pairwise_group
+
 # Dynamically created in __init__
 setuptools._distutils.dist.Distribution.get_name
 setuptools._distutils.dist.Distribution.get_version
@@ -117,18 +121,10 @@ setuptools._distutils.zosccompiler
 # Reexported from setuptools._distutils; problems should be fixed there
 distutils\..+
 
-# Is a functools.partial, so stubtest says "is not a function"
-setuptools.dep_util.newer_pairwise_group
-setuptools.modified.newer_pairwise_group
-setuptools._distutils._modified.newer_pairwise_group
-
-# Private modules
+# Private APIs
 setuptools.config._validate_pyproject.*
 setuptools.command.build_py.build_py.existing_egg_info_dir
 
-# Loop variable leak
-setuptools.sandbox.AbstractSandbox.name
-
 # Other vendored code
 setuptools._vendor.*
 pkg_resources._vendor.*