net/py-ripe.atlas.cousteau: Update to 2.0.0
- Switch to DISTVERSION
- Use pep517 build
- Add pytest tests
- Take maintainership for the time being
ChangeLog:
https://github.com/RIPE-NCC/ripe-atlas-cousteau/releases/tag/v2.0.0
PR: 277934
Reported by: Marek Zarychta <zarychtam@plan-b.pwste.edu.pl>