Bump to a15 #2038

Job	Run time
Prepare	50s
Shellcheck	4s
Dependency	3s
Ruff check and force	7s
Check commit	49s
Create pytest cache for Python 3.13	7s
Run pytest using Python 3.13	28s
Run mypy	7s
Process test coverage	11s
Process test complexity	6s
Build and publish Python 🐍 distributions 📦 to TestPyPI	28s
	3m 20s

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