Update pre-commit hook asottile/pyupgrade to v3.21.0 #3041

Job	Run time
Shellcheck	6s
Dependency	4s
Cache identify	13s
Prepare	1m 32s
Ruff check and force	17s
Check commit	42s
Run pytest using Python 3.13	1m 47s
Run pytest using Python 3.14	42s
Process test coverage	25s
Run mypy	0s
Process test complexity	19s
Build and publish Python 🐍 distributions 📦 to TestPyPI	12s
	6m 19s

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