Update pre-commit hook asottile/pyupgrade to v3.21.2 #5912

Job	Run time
Dependency	6s
Cache identify	7s
Shellcheck	4s
Prepare	1m 15s
Ruff check and force	7s
Check commit	25s
Run pytest using Python 3.13	1m 21s
Run pytest using Python 3.14	21s
Run mypy	13s
Process test coverage	12s
Build and publish Python 🐍 distributions 📦 to TestPyPI	12s
Process test complexity	9s
	4m 32s

Provide feedback