[0.11] Dockerfile: install musl-dev to fix build on alpine 3.18 and up #6699

	name: validate

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

	on:
	workflow_dispatch:
	push:
	branches:
	- 'master'
	- 'v[0-9]+.[0-9]+'
	tags:
	- 'v*'
	- 'dockerfile/*'
	pull_request:

	env:
	REPO_SLUG_ORIGIN: "moby/buildkit:latest"
	BUILDX_VERSION: "v0.9.1" # leave empty to use the one available on GitHub virtual environment

	jobs:
	validate:
	runs-on: ubuntu-20.04
	strategy:
	fail-fast: false
	matrix:
	include:
	- script: ./hack/lint
	- script: ./hack/validate-vendor
	- script: ./hack/validate-generated-files
	- script: ./hack/validate-shfmt
	steps:
	-
	name: Checkout
	uses: actions/checkout@v3
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	with:
	version: ${{ env.BUILDX_VERSION }}
	driver-opts: image=${{ env.REPO_SLUG_ORIGIN }}
	buildkitd-flags: --debug
	-
	name: Run
	run: \|
	${{ matrix.script }}

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