Bump actions/checkout from 3 to 4 #7

	# This is a basic workflow to help you get started with Actions

	name: Build and Test (iron)

	# Controls when the action will run.
	on:
	# Triggers the workflow on push
	push:
	branches: [ rolling ]

	# Triggers the workflow on pull requests
	pull_request:
	branches: [ rolling ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest
	container:
	image: ubuntu:jammy

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	- uses: actions/checkout@v4
	- uses: ros-tooling/[email protected]
	with:
	use-ros2-testing: true
	- uses: ros-tooling/[email protected]
	with:
	target-ros2-distro: iron
	vcs-repo-file-url: dependencies.repos

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