Bump github/codeql-action from 3.25.15 to 3.26.7 #5685

Job	Run time
black	31s
copyright_headers	19s
clang-format	21s
cppcheck	7m 13s
flake8	22s
forbidden_types	16s
isort	14s
lychee_IGNORED	25s
mypy	35s
pydocstyle	24s
pylint	35s
rstcheck	22s
unused_names	16s
vale	36s
build_macos (macos-latest, clang, openmp, mpi, python, gsl, ltdl, boost, hdf5, optimize, warning)	12m 28s
build_linux (ubuntu-22.04, gcc, boost, optimize, warning)	13m 45s
build_linux (ubuntu-22.04, gcc, openmp, python, gsl, ltdl, boost, optimize, warning)	18m 45s
build_linux (ubuntu-22.04, gcc, mpi, python, gsl, ltdl, boost, optimize, warning)	20m 8s
build_linux (ubuntu-22.04, gcc, openmp, mpi, python, gsl, ltdl, boost, hdf5, sionlib, libneurosim...	32m 22s
sphinx-rtd	8m 11s
sphinx-conda	0s
	1h 58m 8s

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