Update pre-commit hook asottile/pyupgrade to v3.21.0 (#357) #3042

Job	Run time
Dependency	6s
Shellcheck	4s
Cache identify	14s
Prepare	1m 24s
Ruff check and force	20s
Check commit	37s
Run pytest using Python 3.13	1m 38s
Run pytest using Python 3.14	37s
Process test coverage	23s
Run mypy	0s
Build and publish Python 🐍 distributions 📦 to TestPyPI	10s
Process test complexity	21s
	5m 54s

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