define constants for reused errors #1775

Job	Run time
Shellcheck	4s
Prepare	54s
Dependency	5s
Ruff check and force	6s
Check commit	44s
Create pytest cache for Python 3.13	10s
Run pytest using Python 3.13	20s
Process test coverage	11s
Run mypy	6s
Build and publish Python 🐍 distributions 📦 to TestPyPI	22s
Process test complexity	5s
	3m 7s

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