Bump psf/black from 23.12.0 to 23.12.1 #4766

Job	Run time
clang-format	15s
cppcheck	3m 35s
copyright_headers	15s
rstcheck	22s
vale	39s
forbidden_types	17s
lychee_IGNORED	28s
mypy	33s
pydocstyle	18s
pylint	31s
unused_names	19s
black	26s
flake8	18s
isort	14s
build_macos (macos-latest, clang, openmp, mpi, python, gsl, ltdl, boost, hdf5, optimize, warning)	31m 20s
build_linux (ubuntu-20.04, gcc, boost, optimize, warning)	3m 14s
build_linux (ubuntu-20.04, gcc, openmp, python, gsl, ltdl, boost, optimize, warning)	16m 54s
build_linux (ubuntu-20.04, gcc, mpi, python, gsl, ltdl, boost, optimize, warning)	18m 33s
build_linux (ubuntu-20.04, gcc, openmp, mpi, python, gsl, ltdl, boost, hdf5, sionlib, libneurosim...	24m 2s
sphinx-rtd	3m 33s
sphinx-conda	0s
	1h 46m 6s

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