Rework CHANGELOG after rebase #6289

Job	Run time
Dependency	4s
Cache identify	5s
Shellcheck	4s
Prepare	10s
Ruff check and force	6s
Check commit	22s
Run pytest using Python 3.14	16s
Run pytest using Python 3.13	31s
Run mypy	12s
Process test coverage	14s
Process test complexity	10s
Build and publish Python 🐍 distributions 📦 to TestPyPI	11s
	2m 25s

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