Bump to 0.46.1a3 for testing #2957

Job	Run time
Shellcheck	5s
Cache identify	7s
Dependency	6s
Prepare	1m 17s
Ruff check and force	7s
Check commit	34s
Run pytest using Python 3.13	1m 27s
Process test coverage	19s
Run mypy	0s
Build and publish Python 🐍 distributions 📦 to TestPyPI	16s
Process test complexity	8s
	4m 26s

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