Bump to v0.48.0a2 test-version #3243

Job	Run time
Shellcheck	5s
Cache identify	6s
Dependency	3s
Prepare	18s
Ruff check and force	6s
Check commit	39s
Run pytest using Python 3.14	35s
Process test coverage	17s
Run mypy	-1s
Build and publish Python 🐍 distributions 📦 to TestPyPI	16s
Process test complexity	7s
	2m 31s

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