Add urls to articles. #309

	name: Ubuntu-valgrind

	# https://www.jeffgeerling.com/blog/2020/running-github-actions-workflow-on-schedule-and-other-events
	on:
	push:
	pull_request:
	schedule:
	- cron: '0 2 * * SUN'

	jobs:
	build-ubuntu-valgrind:
	runs-on: ubuntu-latest

	steps:
	# https://github.com/marketplace/actions/cancel-workflow-action
	- name: Cancel Previous Runs
	uses: styfle/cancel-workflow-action@0.9.1
	with:
	access_token: ${{ github.token }}

	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Print system information
	run: lscpu

	- name: Print OS information
	run: lsb_release -a

	- name: Install dependencies
	run: sudo apt-get update && sudo apt-get install -y libx11-dev libdc1394-dev libv4l-dev liblapack-dev libopenblas-dev libeigen3-dev libopencv-dev nlohmann-json3-dev valgrind

	- name: Clone visp-images
	env:
	BRANCH_NAME: ${{ github.head_ref \|\| github.ref_name }}
	# https://remarkablemark.org/blog/2022/09/25/check-git-branch-exists-in-remote-repository/
	run: \|
	git clone --depth 1 https://github.com/lagadic/visp-images ${HOME}/visp-images
	echo "VISP_INPUT_IMAGE_PATH=$HOME/visp-images" >> $GITHUB_ENV
	echo ${VISP_INPUT_IMAGE_PATH}

	- name: Configure CMake
	run: \|
	mkdir build
	cd build
	cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo
	cat ViSP-third-party.txt

	- name: Compile
	working-directory: build
	run: make -j$(nproc)

	- name: Run unit tests with Valgrind
	working-directory: build
	run: ctest -j$(nproc) -T memcheck

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