fix: CLI, CI, Docs

[n-takumasa]

• Fix CLI
  • Added the missing [project.scripts] section in pyproject.toml.
  • Ensured that the script entry point refers to a valid function that can be executed.
• Fix CI
  • pytest>=8.4.0, test must return None
• Fix Docs
  • Closes fix documenation error #2164
• Executed pre-commit run --all-files with no errors
• [N/A] The change is fully covered by automated unit tests
• [N/A] Documented in docs/ as appropriate
• Added an entry to the CHANGES file

[n-takumasa]

https://docs.pytest.org/en/stable/changelog.html#pytest-8-4-0-2025-06-02

pytest-dev/pytest#12346: Tests will now fail, instead of raising a warning, if they return any value other than None.

[andrewgsavage]

Thanks for doing this, it's appreciated. I haven't had a chance to look at it properly yet.

[codspeed-hq]

CodSpeed Performance Report

Merging #2178 will not alter performance

_{Comparing n-takumasa:master (a07ae04) with master (db02470)}

Summary

✅ 447 untouched benchmarks
🆕 1 new benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
🆕	test_import	N/A	655.3 µs	N/A

[andrewgsavage]

Could you go back to d70d1b9, before the ruff changes that affect many files?
I think the ruff changes should be in another PR and could use some discussion. the last PR looking at ruff is still open and @hgrecco didn't want to use all settings yet. #1893

[n-takumasa]

I agree and done :)