[stubsabot] Bump setuptools to 75.7.*

Release: https://pypi.org/pypi/setuptools/75.7.0
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@v75.6.0...v75.7.0

Stubsabot analysis of the diff between the two releases:
 - 1 public Python file has been added: `setuptools/_distutils/tests/compat/py39.py`.
 - 0 files included in typeshed's stubs have been deleted.
 - 41 files included in typeshed's stubs have been modified or renamed.
 - Total lines of Python code added: 548.
 - Total lines of Python code deleted: 533.

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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stubs/setuptools/METADATA.toml

@@ -1,4 +1,4 @@
-version = "75.6.*"
+version = "75.7.*"
 upstream_repository = "https://github.com/pypa/setuptools"
 extra_description = """\
 If using `setuptools >= 71.1` *only* for `pkg_resources`,