Bump actions/checkout from 3 to 4 #98

	---
	name: Cluster MDBF

	on:
	push:
	paths:
	- .github/workflows/test_cluster_mdbf.yml
	- requirements.txt
	- "files/**"
	- "handlers/**"
	- "molecule/cluster/**"
	- "tasks/**"
	- "templates/**"
	- "vars/**"
	pull_request:
	paths:
	- .github/workflows/test_cluster_mdbf.yml
	- requirements.txt
	- "files/**"
	- "handlers/**"
	- "molecule/cluster/**"
	- "tasks/**"
	- "templates/**"
	- "vars/**"
	schedule:
	- cron: "30 5 * * 2"

	jobs:
	molecule-cluster-pkg:
	name: Cluster MDBF
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	distro:
	- ubuntu-22.04
	- debian-11
	- fedora-36
	- almalinux-8
	- rockylinux-9
	mariadb-version:
	- "10.6"
	- "10.7"
	- "10.8"
	- "10.9"
	- "10.10"
	- "10.11"
	- "11.0"
	steps:
	- uses: actions/checkout@v4
	- name: Install requirements
	run: \|
	python3 -m pip install --upgrade pip
	python3 -m pip install -r requirements.txt
	# see: https://github.com/actions/runner-images/issues/7753
	- name: Downgrade podman
	run: sudo apt install podman=3.4.4+ds1-1ubuntu1 --allow-downgrades
	# This is necessary on GH Actions to allow running systemd in rootless containers
	# see: https://github.com/actions/virtual-environments/issues/3536
	# see: https://github.com/ansible-community/molecule/discussions/3155
	- name: Start systemd user service
	run: \|
	loginctl enable-linger $(whoami)
	sleep 1
	- name: Run molecule
	run: molecule test -s cluster
	env:
	PY_COLORS: "1"
	ANSIBLE_FORCE_COLOR: "1"
	MOLECULE_DISTRO: ${{ matrix.distro }}
	MOLECULE_PLAYBOOK: mdbf.yml
	MARIADB_VERSION: ${{ matrix.mariadb-version }}

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