Prevent build errors on CI #350

	name: API documentation
	on:
	push:

	jobs:
	generate-documentation:
	name: generate-doxygen
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: install dependencies
	run: \|
	sudo apt install doxygen graphviz
	- name: prepare-build
	run: mkdir build
	- name: cmake-configuration
	run: cmake -DCMAKE_BUILD_TYPE=Debug ..
	working-directory: ./build
	- name: build-documentation
	run: cmake --build . --target api_doc
	working-directory: ./build
	- name: Deploy to GitHub Pages
	if: github.ref == 'refs/heads/main'
	uses: JamesIves/github-pages-deploy-action@3.4.9
	with:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	BRANCH: gh-pages # The branch the action should deploy to.
	FOLDER: build/doc/html # The folder the action should deploy.
	TARGET_FOLDER: doc/

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