build(deps): bump actions/checkout from 3 to 4 #25

	name: Docker Build Environment Image CI

	on:
	workflow_dispatch:
	push:
	branches: [ "master" ]
	paths:
	- '.github/workflows/docker-build-env.yml'
	- 'docker/Dockerfile-build-env_**'
	- 'docker/entrypoint-test.sh'

	jobs:
	docker:
	name: rmw-build-env_${{ matrix.tag }}
	strategy:
	fail-fast: true
	matrix:
	os: [ubuntu-latest]
	tag: [bullseye, focal, alpine]
	runs-on: ${{ matrix.os }}
	steps:
	-
	name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	-
	name: Login to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	-
	name: Build and push
	uses: docker/build-push-action@v4
	with:
	context: .
	file: ./docker/Dockerfile-build-env_${{ matrix.tag }}
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ secrets.DOCKER_HUB_USERNAME }}/rmw-build-env:${{ matrix.tag }}
	cache-from: type=registry,ref=${{ secrets.DOCKER_HUB_USERNAME }}/rmw-build-env:buildcache
	cache-to: type=registry,ref=${{ secrets.DOCKER_HUB_USERNAME }}/rmw-build-env:buildcache,mode=max

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