Set to v1.8.1 in pyproject.toml #5804

Job	Run time
Dependency	5s
Cache identify	14s
Shellcheck	6s
Prepare	18s
Ruff check and force	21s
Check commit	32s
Run pytest using Python 3.14	25s
Run pytest using Python 3.13	1m 20s
Run mypy	21s
Process test coverage	24s
Build and publish Python 🐍 distributions 📦 to TestPyPI	16s
Process test complexity	18s
	4m 40s

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