ci: use markdownlint to enforce mkdocs compatibility #19131

	name: CRDs gen
	on:
	push:
	tags:
	- v*
	branches:
	- master
	- release-*
	pull_request:
	branches:
	- master
	- release-*

	defaults:
	run:
	# reference: https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#using-a-specific-shell
	shell: bash --noprofile --norc -eo pipefail -x {0}

	# cancel the in-progress workflow when PR is refreshed.
	concurrency:
	group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref \|\| github.sha }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	crds-gen:
	runs-on: ubuntu-20.04
	steps:
	- name: checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: actions/setup-go@v5
	with:
	go-version: "1.21"

	- name: run crds-gen
	run: GOPATH=$(go env GOPATH) make crds

	- name: validate crds-gen
	run: tests/scripts/validate_modified_files.sh crd

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