refactor(ram_monitor): ros2 port #50

	name: Test diagnostics
	on:
	pull_request:
	push:
	branches:
	- ros2
	schedule:
	# Run every week at 20:00 on Sunday
	- cron: "0 20 * * 0"

	jobs:
	build_and_test:
	name: ${{ matrix.package }} on ${{ matrix.distro }}
	strategy:
	fail-fast: false
	matrix:
	package:
	[
	diagnostic_aggregator,
	diagnostic_common_diagnostics,
	diagnostic_updater,
	self_test,
	]
	distro: [humble, iron, rolling]
	include:
	- distro: humble
	os: ubuntu-22.04
	- distro: iron
	os: ubuntu-22.04
	- distro: rolling
	os: ubuntu-22.04
	runs-on: ${{ matrix.os }}
	steps:
	- uses: ros-tooling/setup-ros@master
	- run: \|
	sudo pip install pydocstyle==6.1.1 # downgrade to fix https://github.com/ament/ament_lint/pull/428
	sudo pip install pip --upgrade
	sudo pip install pyopenssl --upgrade # fix for AttributeError: module 'lib' has no attribute 'X509_V_FLAG_CB_ISSUER_CHECK'
	- uses: ros-tooling/action-ros-ci@master
	with:
	target-ros2-distro: ${{ matrix.distro }}
	package-name: ${{ matrix.package }}
	# vcs-repo-file-url: \|
	# https://raw.githubusercontent.com/ros2/ros2/master/ros2.repos

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