Modernize %-operator formatting #2984

Job	Run time
Shellcheck	7s
Dependency	6s
Cache identify	6s
Prepare	7s
Ruff check and force	12s
Check commit	36s
Run pytest using Python 3.13	1m 47s
Process test coverage	19s
Run mypy	0s
Process test complexity	10s
Build and publish Python 🐍 distributions 📦 to TestPyPI	11s
	3m 41s

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