Make automatic joining work #1417

Job	Run time
Shellcheck	7s
Dependency	6s
Prepare	53s
Ruff check and force	6s
Check commit	45s
Create pytest cache for Python 3.13	6s
Run pytest using Python 3.13	21s
Run mypy	10s
Process test coverage	26s
Process test complexity	10s
Build and publish Python 🐍 distributions 📦 to TestPyPI	21s
	3m 31s

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