Update dependency setuptools to v60.8.1

This MR contains the following updates:

Package	Type	Update	Change
setuptools	ironbank-pypi	patch	60.8.0 -> 60.8.1

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Release Notes

pypa/setuptools

v60.8.1

Compare Source

Misc ^^^^

• #​3084: When vendoring jaraco packages, ensure the namespace package is converted to a simple package to support zip importer.

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