Attempt to get CI working again

[lurch]

Type of changes

• Other

Checklist

• I've run the latest black with default args on new code.
• I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate.
• I've added tests for new code.
• I accept that @PyFilesystem/maintainers may be pedantic in the code review.

Description

See https://github.com/actions/upload-artifact/blob/main/docs/MIGRATION.md
The old v2 arifact that we were using is now deprecated https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

[lurch]

LOTS of things have broken, I'll have to come back to this later...

[eli-schwartz]

:/ it worked in September... #590

Also updated psutil breaks with pinned pyftpdlib. I gave up on caring because I have too much open work already waiting but @mweinelt put together a fix in #591, so that should fix some failures too.