chore(deps): Update setuptools requirement

Updates the requirements on [setuptools](https://github.com/pypa/setuptools) to permit the latest version.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v67.3.2...v68.0.0)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/@jsii/python-runtime/requirements.txt

@@ -3,7 +3,7 @@ mypy==1.4.1
 pip~=23.2
 pytest~=7.4
 pytest-mypy~=0.10
-setuptools~=67.3.2
+setuptools~=68.0.0
 types-python-dateutil~=2.8
 wheel~=0.41