Ensure that secretbox can accept any bytes-like object as parameter #543

Job	Run time
Linux docs	1m 26s
Python 3.7 on macos-13	2m 48s
Linux meta	1m 31s
Python 3.7 on Windows x86	4m 56s
Python 3.13-dev on macos-13	4m 34s
Linux mypy	1m 1s
Python 3.13-dev (minimal build) on macos-13	3m 56s
Python 3.8 on Windows x86	2m 4s
Linux pypy3	3m 8s
Python 3.13-dev on macos-latest	2m 1s
Python 3.9 on Windows x86	3m 20s
Linux pypy3	3m 11s
Python 3.13-dev (minimal build) on macos-latest	1m 57s
Python 3.10 on Windows x86	4m 18s
Linux py37	1m 57s
Linux py38	1m 51s
Python 3.11 on Windows x86	3m 10s
Python 3.12 on Windows x86	3m 31s
Linux py39	1m 46s
Python 3.13-dev on Windows x86	3m 10s
Linux py310	2m 9s
Linux py311	1m 57s
Python 3.7 on Windows x64	2m 23s
Linux py312	1m 53s
Python 3.8 on Windows x64	2m 22s
Linux py313	2m 8s
Python 3.9 on Windows x64	2m 7s
Linux py313 system	2m 42s
Python 3.10 on Windows x64	3m 13s
Linux py313 minimal	1m 56s
Python 3.11 on Windows x64	3m 22s
Python 3.12 on Windows x64	2m 25s
Python 3.13-dev on Windows x64	2m 43s
	1h 26m 56s

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