Bump actions/checkout from 3 to 4 #1141

	name: Noetic

	on:
	push:
	branches: [ master ]
	paths-ignore:
	- '**/README.md'
	- '**.yaml'
	- '**.launch'
	pull_request:
	branches: [ master ]

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

	jobs:

	cancel:

	name: Cancel Previous Runs
	runs-on: ubuntu-latest
	steps:
	- name: Cancel Previous Runs
	uses: styfle/[email protected]
	with:
	access_token: ${{ github.token }}

	build:
	runs-on: ubuntu-20.04
	steps:

	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0 # fetch the whole history

	- name: Install
	run: ./.ci/install.sh

	- name: Build
	run: ./.ci/build.sh

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