workflow: drop kubernetes 1.27 #13

	name: Build and release Systemd sysext images
	on:
	push:
	tags:
	- '*'
	jobs:
	build:
	runs-on: ubuntu-22.04
	permissions:
	# allow the action to create a release
	contents: write
	steps:
	# checkout the sources
	- uses: actions/checkout@v3
	# build the images and generate a manifest
	- name: build
	run: \|
	set -euxo pipefail

	sudo apt update -qq && sudo apt install -yqq \
	curl \
	jq \
	squashfs-tools \
	xz-utils

	images=(
	"kubernetes-v1.28.2"
	"docker-24.0.6"
	"docker_compose-2.22.0"
	"wasmtime-13.0.0"
	)

	for image in ${images[@]}; do
	component="${image%-*}"
	version="${image#*-}"
	for arch in x86-64 arm64; do
	ARCH="${arch}" "./create_${component}_sysext.sh" "${version}" "${component}"
	mv "${component}.raw" "${image}-${arch}.raw"
	done
	cat << EOF > "${component}.conf"
	[Transfer]
	Verify=false
	[Source]
	Type=url-file
	Path=https://github.com/flatcar/sysext-bakery/releases/latest/download/
	MatchPattern=${component}-@v-%a.raw
	[Target]
	InstancesMax=3
	Type=regular-file
	Path=/opt/extensions/${component}
	CurrentSymlink=/etc/extensions/${component}.raw
	EOF
	done

	cat << EOF > "noop.conf"
	[Source]
	Type=regular-file
	Path=/
	MatchPattern=invalid@v.raw
	[Target]
	Type=regular-file
	Path=/
	EOF

	sha256sum *.raw > SHA256SUMS
	# create a Github release with the generated artifacts
	- name: release
	uses: softprops/action-gh-release@v1
	with:
	files: \|
	SHA256SUMS
	*.raw
	*.conf

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