Bump to a3 #5012

Job	Run time
Dependency	3s
Prepare	54s
Shellcheck	4s
Ruff check and force	6s
Check commit	36s
Create pytest cache for Python 3.12	6s
Run pytest using Python 3.12	14s
Run mypy	10s
Process test coverage	13s
Process test complexity	7s
Build and publish Python 🐍 distributions 📦 to TestPyPI	23s
	2m 56s

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