feat: Add initial support for building Wolfi packages #4

	name: Build and Upload Wolfi Packages
	on:
	schedule:
	- cron: '0 5,17 * * *' # 5am and 5pm every day
	pull_request:
	merge_group:
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	upload-wolfi-packages:
	name: Build and upload Wolfi packages
	runs-on: ubuntu-22.04
	permissions:
	contents: read
	packages: write
	id-token: write
	strategy:
	fail-fast: false
	steps:
	# Checkout push-to-registry action GitHub repository
	- name: Checkout Push to Registry action
	uses: actions/checkout@v4

	- name: Generate package list
	run: \|
	APK_LIST=$(ls wolfi \| tr '\n' ',')
	echo "APK_LIST=$APK_LIST" >> $GITHUB_ENV

	# Build APKs with melange
	- name: Build APKs
	id: melange
	uses: chainguard-dev/actions/melange-build@main
	with:
	archs: aarch64,x86_64
	empty-workspace: false
	multi-config: ${{ env.APK_LIST }}
	sign-with-temporary-key: true
	workdir: ./wolfi

	# Upload packages
	- name: 'Upload built packages archive to Github Artifacts'
	uses: actions/upload-artifact@v4
	with:
	name: wolfi-packages
	path: ./packages
	retention-days: 1 # Low ttl since this is just an intermediary used once
	if-no-files-found: error

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