Remove added save_cache(), wrongly added #2068

Job	Run time
Shellcheck	4s
Dependency	4s
Prepare	54s
Ruff check and force	7s
Check commit	43s
Create pytest cache for Python 3.13	9s
Run pytest using Python 3.13	21s
Process test coverage	11s
Run mypy	9s
Process test complexity	6s
Build and publish Python 🐍 distributions 📦 to TestPyPI	24s
	3m 12s

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