Bump conda-incubator/setup-miniconda from 3.0.3 to 3.0.4 #5450

Job	Run time
clang-format	23s
cppcheck	7m 13s
rstcheck	31s
copyright_headers	20s
unused_names	16s
vale	34s
forbidden_types	14s
lychee_IGNORED	34s
mypy	38s
pydocstyle	21s
black	30s
flake8	24s
isort	11s
pylint	36s
sphinx-rtd	3m 26s
sphinx-conda	0s
build_macos (macos-latest, clang, openmp, mpi, python, gsl, ltdl, boost, hdf5, optimize, warning)	11m 55s
build_linux (ubuntu-22.04, gcc, boost, optimize, warning)	12m 34s
build_linux (ubuntu-22.04, gcc, openmp, python, gsl, ltdl, boost, optimize, warning)	17m 22s
build_linux (ubuntu-22.04, gcc, mpi, python, gsl, ltdl, boost, optimize, warning)	18m 39s
build_linux (ubuntu-22.04, gcc, openmp, mpi, python, gsl, ltdl, boost, hdf5, sionlib, libneurosim...	31m 14s
	1h 47m 55s

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