Upgrade Alpine to 3.20 version in Docker image #236

	name: clang-tidy

	on:
	push:
	pull_request:
	types: [ opened, reopened, synchronize ]

	jobs:
	clang-tidy:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	config: [Release]

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: install dependencies
	uses: ./.github/workflows/actions/ubuntu-build-deps
	with:
	SUDO: true

	- name: Configure
	run: \|
	cmake -G Ninja -B build -DCMAKE_BUILD_TYPE=${{ matrix.config }} -DCMAKE_EXPORT_COMPILE_COMMANDS=true

	- name: Compile
	run: \|
	cmake --build build --parallel --config ${{ matrix.config }}

	# Implicitly requires build/compile_commands.json to exist
	- name: Run Clang Tidy
	run: \|
	wget https://raw.githubusercontent.com/llvm/llvm-project/llvmorg-14.0.6/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
	chmod +x run-clang-tidy.py
	./run-clang-tidy.py -j $(nproc) -p build

	# Implicitly requires build/compile_commands.json to exist
	- name: Run IWYU
	run: \|
	wget https://raw.githubusercontent.com/include-what-you-use/include-what-you-use/clang_14/iwyu_tool.py
	chmod +x iwyu_tool.py
	# iwyu_tool.py returns non-zero if any executions returned nonzero. Which... happens to be useless unless the project is already IWYU clean.
	./iwyu_tool.py -j $(nproc) -p build -- -Xiwyu --mapping_file=${GITHUB_WORKSPACE}/iwyu-ubuntu.imp \|\| exit 0

Provide feedback