Add Concept DOI From Zenodo

[andthum]

Add Concept DOI From Zenodo

Type of change

• Change of core package.
• Change of scripts.

• Bug fix.
• New feature.
• Code refactoring.
• Dependency update.
• Documentation update.
• Maintenance.
• Other: Description.

• Non-breaking (backward-compatible) change.
• Breaking (non-backward-compatible) change.

PR checklist

• I followed the guidelines in the Developer's guide.
• [~] New/changed code is properly tested.
• [~] New/changed code is properly documented.
• The CI workflow is passing.

[andthum]

@ezavod: We now have a DOI from zenodo 🎉