Update codecov/codecov-action action to v6 (#868) #6166

Job	Run time
Cache identify	4s
Shellcheck	5s
Dependency	5s
Prepare	7s
Ruff check and force	7s
Check commit	22s
Run pytest using Python 3.14	19s
Run pytest using Python 3.13	20s
Run mypy	14s
Process test coverage	18s
Process test complexity	12s
Build and publish Python 🐍 distributions 📦 to TestPyPI	11s
	2m 24s

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