Add more `const`s #6

	# SPDX-FileCopyrightText: 2024 SeisSol Group
	#
	# SPDX-License-Identifier: MIT

	name: clang-tidy
	on:
	- push

	jobs:
	clang-tidy:
	name: clang-tidy
	runs-on: ubuntu-22.04
	steps:
	- name: apt-get
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y libyaml-cpp-dev libgtest-dev ninja-build

	# keep, for once clang-19 or higher is needed
	wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key \| sudo apt-key add -
	sudo add-apt-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-18 main"
	sudo add-apt-repository "deb-src http://apt.llvm.org/jammy/ llvm-toolchain-jammy-18 main"
	sudo apt-get update -y

	sudo apt-get -y install clang-18 clang-tidy-18 libomp-18-dev

	sudo pip3 install numpy
	sudo mkdir -p /opt/dependencies

	- name: configure-googletest
	run: \|
	cd /usr/src/googletest/googletest
	sudo cmake ./CMakeLists.txt -Dgtest_disable_pthreads=ON -GNinja
	sudo ninja

	# ninja install was not found
	sudo cp lib/*.a /usr/lib

	- uses: actions/checkout@v4
	with:
	submodules: 'true'

	- name: clang-tidy
	run: \|
	set -euo pipefail
	clang-tidy-18 --version
	which clang-tidy-18
	git submodule update --init
	cd tests
	mkdir -p build && cd build
	cmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -GNinja
	ninja
	sed -i 's/-fprofile-abs-path //g' compile_commands.json
	run-clang-tidy ../ ./ -clang-tidy-binary=$(which clang-tidy-18) -quiet -j $(nproc)

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