Bump setuptools from 68.0.0 to 68.1.0 in /requirements

[dependabot]

Bumps setuptools from 68.0.0 to 68.1.0.

Changelog

Sourced from setuptools's changelog.

v68.1.0

Features

• Removed code referencing bdist_wininst in install_scripts. (#3525)
• Promote pyproject.toml's [tool.setuptools] out of beta. Note that some fields are still considered deprecated and/or obsolete, and these might be removed in future versions (i.e., there is no guarantee for long term support and backward compatibility on those fields). (#3962)
• Automatically add files listed in Extension.depends to sdists, as long as they are contained in the project directory -- by :user:RuRo (#4000)
• Require Python 3.8 or later.

Bugfixes

• Made imports in editable installs case-sensitive on case-insensitive filesystems -- by :user:aganders3 (#3995)
• Use default encoding to create .pth files with editable_wheel. (#4009)
• Detects (and complain about) scripts and gui-scripts set via setup.py when pyproject.toml does not include them in dynamic. (#4012)

Misc

• #3833, #3960, #4001, #4007

Commits

• 71b355b Bump version: 68.0.0 → 68.1.0
• 492f211 Improve rendering of newsfragment
• 80b98e7 Fix tools/finalize to use NEWS instead of CHANGES (towncrier-related)
• 8643420 Remove double negative in package_discovery.rst (#4017)
• 9bc8277 Fix a couple typos found by codespell (#4015)
• ab4ab87 Complain about (gui-)scripts that are not listed in pyproject.toml's dynamic ...
• db4036a Use default encoding when creating .pth files in editable_wheel (#4009)
• 9e24163 Ignore newsfragments and launcher directories in setuptools project itself (#...
• a0fca44 Exclude pycache and cache files in MANIFEST.in (#4005)
• 3c25cdd Include Extension.depends in manifests and sdists by default (#4000)
• Additional commits viewable in compare view

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[dependabot]

Superseded by #94.