upgrade to Nov 30, 2023 libsodium 1.0.19-stable release #438

Job	Run time
Linux docs	33s
Python 3.7 on macOS	39s
Linux meta	26s
Python 3.7 on Windows x86	2m 55s
Python 3.12 on macOS	36s
Linux mypy	25s
Python 3.8 on Windows x86	2m 46s
Python 3.12 (minimal build) on macOS	45s
Linux pypy3	38s
Python 3.9 on Windows x86	3m 1s
Linux pypy3	37s
Python 3.10 on Windows x86	2m 37s
Linux py37	26s
Python 3.11 on Windows x86	2m 46s
Linux py38	21s
Python 3.12 on Windows x86	3m 2s
Linux py39	28s
Linux py310	29s
Python 3.7 on Windows x64	2m 15s
Linux py311	26s
Python 3.8 on Windows x64	2m 39s
Python 3.9 on Windows x64	2m 13s
Linux py312	24s
Linux py312 system	35s
Python 3.10 on Windows x64	2m 22s
Linux py312 minimal	25s
Python 3.11 on Windows x64	2m 21s
Python 3.12 on Windows x64	2m 23s
	39m 33s

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