bump Go to 1.21 and k8s.io dependencies to v0.29.3 #4

	name: release

	on:
	push:
	tags:
	- 'v*'

	permissions:
	contents: write
	packages: write

	jobs:
	release:
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: fetch tags
	run: git fetch --force --tags

	- name: setup go
	uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	cache: true

	- name: release
	id: goreleaser
	uses: goreleaser/goreleaser-action@v5
	with:
	distribution: goreleaser
	version: latest
	args: release --clean
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: setup qemu
	uses: docker/setup-qemu-action@v3

	- name: setup docker buildx
	uses: docker/setup-buildx-action@v3

	- name: login
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ghcr.io/${{ github.repository }}

	- name: create dockerfile.cross
	run: \|
	sed -e '1 s/$^FROM$/FROM --platform=\$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross
	cat Dockerfile.cross

	- name: build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	platforms: linux/arm64,linux/amd64,linux/s390x,linux/ppc64le
	file: Dockerfile.cross
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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