Bump docker/build-push-action from 2 to 6 #3

	name: roundcubemail-testrunner image

	on:
	push:
	paths:
	- '.ci/docker-images/*'
	- '.github/workflows/docker_image.yml'

	jobs:
	build_and_push:
	strategy:
	fail-fast: false
	# Set up a matrix so we can add more versions to build with in the future.
	matrix:
	php: ["8.3"]

	name: build and push with PHP ${{ matrix.php }}
	runs-on: ubuntu-latest
	# Set the permissions granted to the GITHUB_TOKEN for the actions in this job.
	permissions:
	contents: read
	packages: write
	attestations: write
	id-token: write
	steps:
	- name: Check actor permission
	uses: skjnldsv/check-actor-permission@v2
	with:
	require: admin
	- name: Check out the repo
	uses: actions/checkout@v4
	- name: Log in to the Container registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build and push Docker image
	id: push
	uses: docker/build-push-action@v6
	with:
	context: .
	file: ./.ci/docker-images/Dockerfile
	push: true
	#platforms: linux/amd64,linux/arm64
	build-args: PHPVERSION=${{ matrix.php }}
	tags: "ghcr.io/roundcube/roundcubemail-testrunner:php${{ matrix.php }}"

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