Bump github/codeql-action from 3.25.15 to 3.26.1 #5616

Job	Run time
clang-format	18s
copyright_headers	18s
cppcheck	6m 48s
forbidden_types	15s
lychee_IGNORED	23s
pydocstyle	31s
mypy	34s
rstcheck	27s
unused_names	20s
vale	49s
black	30s
flake8	27s
isort	12s
pylint	42s
build_linux (ubuntu-22.04, gcc, boost, optimize, warning)	14m 24s
build_macos (macos-latest, clang, openmp, mpi, python, gsl, ltdl, boost, hdf5, optimize, warning)	10m 40s
build_linux (ubuntu-22.04, gcc, openmp, python, gsl, ltdl, boost, optimize, warning)	21m 14s
build_linux (ubuntu-22.04, gcc, mpi, python, gsl, ltdl, boost, optimize, warning)	20m 4s
build_linux (ubuntu-22.04, gcc, openmp, mpi, python, gsl, ltdl, boost, hdf5, sionlib, libneurosim...	32m 36s
sphinx-rtd	3m 59s
sphinx-conda	0s
	1h 55m 31s

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