Bump actions/checkout from 3 to 4 #6

	name: ROS

	on:
	pull_request:
	push:
	branches:
	- foxy*
	- humble*
	- iron*
	- main
	workflow_dispatch:

	jobs:
	test:
	name: test
	runs-on: ubuntu-latest
	steps:
	-
	name: Checkout code
	uses: actions/checkout@v4
	-
	name: Test
	uses: ./.github/actions/test/

	lint:
	name: ament_${{ matrix.linter }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	linter: [cppcheck, cpplint, uncrustify, lint_cmake, xmllint, flake8, pep257]
	steps:
	-
	name: Checkout code
	uses: actions/checkout@v4
	-
	name: Run linter
	uses: ./.github/actions/lint/
	env:
	LINTER: ${{ matrix.linter }}

	complete:
	name: Tests passed
	needs:
	- lint
	- test
	runs-on: ubuntu-latest
	steps:
	- name: Check
	run: echo "Completed successfully!"

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