Use "modern" type annotations #460

Job	Run time
Test pre-commit console encoding	37s
Test Python 3.9 (ubuntu-latest)	1m 4s
Test Python 3.10 (ubuntu-latest)	1m 9s
Test Python 3.11 (ubuntu-latest)	1m 0s
Test Python 3.12 (ubuntu-latest)	24s
Test Python 3.9 (windows-latest)	2m 11s
Test Python 3.10 (windows-latest)	2m 37s
Test Python 3.11 (windows-latest)	2m 48s
Test Python 3.12 (windows-latest)	43s
Test Python 3.9 (macOS-latest)	1m 9s
Test Python 3.10 (macOS-latest)	1m 10s
Test Python 3.11 (macOS-latest)	46s
Test Python 3.12 (macOS-latest)	15s
	15m 53s

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