Upgrade the bundled version of pip to 23.0.1

[pradyunsg]

Feature or enhancement

This is the latest pip bugfix release.

Pitch

This ensures that users who install newest release of Python get the newest version of pip.

Linked PRs

• gh-101997: Update bundled pip version to 23.0.1 #101998
• [3.10] gh-101997: Update bundled pip version to 23.0.1 (GH-101998). #102241
• [3.11] gh-101997: Update bundled pip version to 23.0.1 (GH-101998). #102242
• [3.9] gh-101997: Update bundled pip version to 23.0.1 (GH-101998). #102243
• [3.8] gh-101997: Update bundled pip version to 23.0.1 (GH-101998). #102244
• [3.7] gh-101997: Update bundled pip version to 23.0.1 (GH-101998). #102273
• [3.8] gh-101997: Remove stale pip-22.0.4-py3-none-any.whl from the 3.8 branch #108998

[ned-deily]

FWIW, while I think the benefit is small, I am OK with backporting this to 3.7 if @ambv chooses to backport this to 3.8.