[stubsabot] Bump setuptools to 70.3.* (#12308)

Release: https://pypi.org/pypi/setuptools/70.3.0
Repository: https://github.com/pypa/setuptools
Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/setuptools
Changelog: https://setuptools.pypa.io/en/stable/history.html
Diff: pypa/setuptools@v70.2.0...v70.3.0

Stubsabot analysis of the diff between the two releases:
 - 0 public Python files have been added.
 - 0 files included in typeshed's stubs have been deleted.
 - 1 file included in typeshed's stubs has been modified or renamed: `setuptools/_distutils/sysconfig.py`.
 - Total lines of Python code added: 35.
 - Total lines of Python code deleted: 2.

If stubtest fails for this PR:
- Leave this PR open (as a reminder, and to prevent stubsabot from opening another PR)
- Fix stubtest failures in another PR, then close this PR

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Co-authored-by: stubsabot <>

Author: github-actions[bot]

stubs/setuptools/METADATA.toml

@@ -1,4 +1,4 @@
-version = "70.2.*"
+version = "70.3.*"
 upstream_repository = "https://github.com/pypa/setuptools"
 
 [tool.stubtest]