v16.3.0 release notes #518

Job	Run time
Build sdist and wheels	15s
Test Windows (windows-latest, 3.10)	7m 24s
Test macOS (macos-latest, 3.10)	4m 52s
Test Windows (windows-latest, 3.11)	7m 35s
Test ubuntu-22.04 with Python 3.10	5m 3s
Test macOS (macos-latest, 3.11)	4m 57s
Test Windows (windows-latest, 3.12)	7m 45s
Test ubuntu-22.04 with Python 3.11	5m 9s
Test macOS (macos-latest, 3.12)	4m 55s
Test ubuntu-22.04 with Python 3.10	5m 7s
Test macOS (macos-13, 3.10)	7m 34s
Test ubuntu-latest with Python 3.12	5m 45s
Test macOS (macos-13, 3.11)	8m 29s
Test ubuntu-latest with Python pypy3.10	10m 25s
Test macOS (macos-13, 3.12)	8m 6s
Build Ubuntu-based Docker image	9m 2s
Create GitHub release	0s
Build Alpine-based Docker images	1m 6s
Deploy artifacts to PyPI	0s
	1h 43m 29s

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