Update pre-commit hook asottile/pyupgrade to v3.21.2 (#822) #5914

Job	Run time
Dependency	6s
Cache identify	6s
Shellcheck	4s
Prepare	1m 12s
Ruff check and force	8s
Check commit	22s
Run pytest using Python 3.14	21s
Run pytest using Python 3.13	1m 23s
Run mypy	12s
Process test coverage	13s
Build and publish Python 🐍 distributions 📦 to TestPyPI	9s
Process test complexity	8s
	4m 24s

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