Update alpine to 3.18 #8

	name: ci

	on:
	push:
	branches:
	- 'main'
	tags:
	- '*'

	concurrency:
	group: ${{ github.ref }}
	cancel-in-progress: true

	jobs:
	bake:
	runs-on: ubuntu-latest
	timeout-minutes: 360
	steps:
	-
	name: Checkout
	uses: actions/checkout@v3
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	-
	name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v2
	with:
	driver-opts: \|
	image=moby/buildkit:v0.11.1
	network=host
	-
	name: Login to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	-
	name: Set TAG Environment Variable
	run: \|
	echo "TAG=$GITHUB_REF_NAME" >> $GITHUB_ENV
	-
	name: Build and push
	run: \|
	docker buildx bake --builder ${{ steps.buildx.outputs.name }} ci --push
	docker buildx imagetools create -t islandora/leptonica:${TAG} islandora/leptonica:${TAG}-amd64 islandora/leptonica:${TAG}-arm64

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