Allow POST for core/appliances #6249

Job	Run time
Dependency	7s
Cache identify	9s
Shellcheck	4s
Prepare	7s
Ruff check and force	8s
Check commit	23s
Run pytest using Python 3.13	17s
Run pytest using Python 3.14	19s
Run mypy	14s
Process test coverage	11s
Build and publish Python 🐍 distributions 📦 to TestPyPI	11s
Process test complexity	8s
	2m 18s

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