Bump golang from 1.21 to 1.22 #7

	name: Build and publish docker image

	env:
	platforms: linux/amd64,linux/arm64

	on:
	push:
	branches:
	- main
	tags:
	- v*
	pull_request:

	permissions:
	contents: read
	packages: write

	jobs:
	publish-docker:
	name: Build and publish Docker image
	runs-on: ubuntu-latest
	steps:
	- name: Check out repository
	uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	- name: Collect metadata
	uses: docker/metadata-action@v5
	id: meta
	with:
	images: \|
	ghcr.io/${{ github.repository_owner }}/metal
	tags: \|
	type=semver,pattern={{version}}
	type=schedule
	type=ref,event=branch
	type=ref,event=tag
	type=ref,event=pr
	type=sha
	flavor: \|
	latest=${{ github.ref == 'refs/heads/main' }}
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	with:
	image: tonistiigi/binfmt:latest
	platforms: ${{ env.platforms }}
	- name: Set up Docker Buildx context
	run: \|
	docker context create builders
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	timeout-minutes: 5
	with:
	version: latest
	endpoint: builders
	- name: Log in to GHCR
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	timeout-minutes: 60
	with:
	context: .
	platforms: ${{ env.platforms }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	push: true

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