devel/py-autoflake: Update 2.3.1 => 2.3.3

Changelogs:

• https://github.com/PyCQA/autoflake/releases/tag/v2.3.2
• https://github.com/PyCQA/autoflake/releases/tag/v2.3.3

Port changes:

• Switch to GitHub since PYPI distribution no longer have the tests.
• Pet portclippy.

PR: 294385
Reported by: Goran Mekić <meka@tilda.center> (maintainer)
Approved by: osa, vvd (mentors)
MFH: 2026Q2

(cherry picked from commit 481eabf8b8a892d0951618e68ade0d70cfb7bff4)