Update CHANGELOG, bump version to v1.13.0 #6274

Job	Run time
Cache identify	5s
Dependency	3s
Shellcheck	6s
Prepare	20s
Ruff check and force	7s
Check commit	24s
Run pytest using Python 3.13	37s
Run pytest using Python 3.14	21s
Run mypy	16s
Process test coverage	10s
Build and publish Python 🐍 distributions 📦 to TestPyPI	15s
Process test complexity	8s
	2m 52s

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