CI, Helm: fix schema generation workflow #322

	---
	name: Helm Lint
	on:
	# `ct lint` does not work well with tag references on releases.
	# OTOH, Helm linting on tags is not necessary so long as it
	# happens on push to branches.
	push:
	branches:
	- '**'
	paths:
	- 'charts/**'
	pull_request:
	branches-ignore:
	- 'release-**/bundle-update'

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

	- name: Set up Helm
	uses: azure/setup-helm@v1
	with:
	version: v3.7.2

	- uses: actions/setup-python@v2
	with:
	python-version: 3.7

	- name: Set up chart-testing
	uses: helm/[email protected]

	- name: Run chart-testing (lint)
	run: \|
	ct lint --config ./charts/ct.yaml

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