Fix inverted filtering as suggested by CRAI #2711

Job	Run time
Cache identify	6s
Dependency	3s
Shellcheck	7s
Prepare	12s
Ruff check and force	13s
Check commit	35s
Run pytest using Python 3.13	30s
Process test coverage	20s
Run mypy	-1s
Process test complexity	7s
Build and publish Python 🐍 distributions 📦 to TestPyPI	10s
	2m 22s

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