Bump to v1.7.3a2 #5466

Job	Run time
Shellcheck	6s
Prepare	1m 12s
Dependency	3s
Ruff check and force	19s
Check commit	44s
Create pytest cache for Python 3.13.0	15s
Create pytest cache for Python 3.12	6s
Run pytest using Python 3.13.0	21s
Run pytest using Python 3.12	18s
Process test coverage	24s
Run mypy	23s
Process test complexity	14s
Build and publish Python 🐍 distributions 📦 to TestPyPI	37s
	5m 2s

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