Update pre-commit hook jackdewinter/pymarkdown to v0.9.38 #6238

Job	Run time
Shellcheck	7s
Cache identify	5s
Dependency	8s
Prepare	21s
Ruff check and force	6s
Check commit	21s
Run pytest using Python 3.14	18s
Run pytest using Python 3.13	25s
Run mypy	17s
Process test coverage	13s
Build and publish Python 🐍 distributions 📦 to TestPyPI	14s
Process test complexity	8s
	2m 43s

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