ci: use markdownlint to enforce mkdocs compatibility #17606

	# Reference https://github.com/helm/chart-testing-action/tree/master#example-workflow
	name: Lint Charts

	on:
	push:
	tags:
	- v*
	branches:
	- master
	- release-*
	pull_request:
	branches:
	- master
	- release-*

	# 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:
	lint-test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Helm
	uses: azure/setup-helm@v4
	with:
	version: v3.6.2

	- uses: actions/setup-python@v5
	with:
	python-version: 3.9

	- name: Set up chart-testing
	uses: helm/chart-testing-action@v2.6.1

	- name: Run chart-testing (lint)
	run: ct lint --charts=./deploy/charts/rook-ceph --validate-yaml=false --validate-maintainers=false

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