Bump actions/checkout from 4.1.1 to 5.0.0 #6441

Job	Run time
shellcheck	30s
pre-commit-hooks	1m 11s
clang-format	22s
unused_names	22s
lychee_IGNORED	26s
pydocstyle	23s
cppcheck	9m 5s
no-crlf	19s
vale	46s
mypy	38s
pylint	42s
rstcheck	26s
black	33s
isort	16s
forbidden_types	17s
copyright_headers	22s
flake8	28s
sphinx-rtd	3m 50s
sphinx-conda	0s
build_macos (macos-latest, clang, openmp, mpi, python, gsl, ltdl, boost, hdf5, optimize, warning)	10m 28s
build_linux (ubuntu-22.04, gcc, openmp, mpi, python, gsl, ltdl, boost, hdf5, sionlib, libneurosim...	32m 6s
build_linux (ubuntu-22.04, gcc, boost, optimize, warning)	11m 25s
build_linux (ubuntu-22.04, gcc, mpi, python, gsl, ltdl, boost, optimize, warning)	19m 7s
build_linux (ubuntu-22.04, gcc, openmp, python, gsl, ltdl, boost, optimize, warning)	18m 52s
build_linux (ubuntu-22.04, gcc, optimize, warning)	10m 35s
	2h 3m 29s

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