v16.4.3 release notes #553

Job	Run time
Build sdist and wheels	14s
Test Windows (windows-latest, 3.10)	7m 39s
Test ubuntu-22.04 with Python 3.10	5m 0s
Test Windows (windows-latest, 3.11)	9m 1s
Test macOS (macos-latest, 3.10)	4m 44s
Test ubuntu-22.04 with Python 3.11	5m 2s
Test Windows (windows-latest, 3.12)	9m 18s
Test macOS (macos-latest, 3.11)	5m 17s
Test ubuntu-22.04 with Python 3.10	5m 2s
Test macOS (macos-latest, 3.12)	5m 21s
Test ubuntu-latest with Python 3.12	5m 28s
Test macOS (macos-13, 3.10)	7m 32s
Test ubuntu-latest with Python pypy3.10	10m 50s
Test macOS (macos-13, 3.11)	7m 59s
Test macOS (macos-13, 3.12)	8m 39s
Build Alpine-based Docker images	4m 25s
Build Ubuntu-based Docker image	10m 53s
Deploy artifacts to PyPI	28s
Create GitHub release	4s
	1h 52m 56s

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