Bump to a31 #999

Job	Run time
Prepare	52s
Dependency	3s
Shellcheck	4s
Ruff check and force	8s
Check commit	26s
Create pytest cache for Python ${{ matrix.python-version }}	0s
Run pytest using Python ${{ matrix.python-version }}	0s
Run mypy	0s
Process test coverage	0s
Build and publish Python 🐍 distributions 📦 to TestPyPI	0s
Process test complexity	0s
	1m 33s

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