[INFRA] Rework #2

	name: Documentation

	on:
	push:
	pull_request:
	workflow_dispatch:

	concurrency:
	group: documentation-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: ${{ github.event_name != 'push' }}

	env:
	TZ: Europe/Berlin

	defaults:
	run:
	shell: bash -Eexuo pipefail {0}

	jobs:
	build:
	name: Documentation
	runs-on: ubuntu-22.04
	timeout-minutes: 120
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 1
	submodules: false

	- name: Install CMake
	uses: seqan/actions/setup-cmake@main
	with:
	cmake: 3.21.7

	- name: Install Doxygen
	uses: seqan/actions/setup-doxygen@main
	with:
	doxygen: 1.9.8

	- name: Configure
	run: \|
	mkdir build
	cd build
	cmake ..

	- name: Build documentation
	run: \|
	cd build
	make -k -j${{ matrix.test_threads }} doc 2>doxygen_warnings.txt
	cat doxygen_warnings.txt
	test ! -s doxygen_warnings.txt

	- name: Package documentation
	if: matrix.build == 'documentation'
	continue-on-error: true
	run: tar -zcf documentation.tar.gz build

	- name: Upload documentation
	if: matrix.build == 'documentation'
	continue-on-error: true
	uses: actions/upload-artifact@v3
	with:
	name: documentation
	path: documentation.tar.gz

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