Update dependency setuptools to v60.8.0

This MR contains the following updates:

Package	Type	Update	Change
setuptools	ironbank-pypi	minor	60.7.1 -> 60.8.0

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Release Notes

pypa/setuptools

v60.8.0

Compare Source

Changes ^^^^^^^

• #​3085: Setuptools now vendors importlib_resources and importlib_metadata and jaraco.text. Setuptools no longer relies on pkg_resources for ensure_directory nor parse_requirements.

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