Lint

Signature from @mnm678 #788

	#
	# Copyright 2021 The Sigstore Authors.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	name: Lint

	on:
	push:
	branches: [main]
	pull_request:

	permissions: {}

	jobs:
	yamllint:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
	with:
	persist-credentials: false
	- name: Set up Python
	uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
	with:
	python-version: 3.13
	- name: Install and run yamllint
	run: \|
	set -euo pipefail
	# Install yamllint
	pip install -r dev-requirements.txt
	# Run yamllint
	make yamllint

	actionlint:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
	with:
	persist-credentials: false
	- name: Check workflow files
	uses: reviewdog/action-actionlint@437bbe918b0d29544cbf9e8b1d63fe6f4e7a881d # v1.69.0
	with:
	actionlint_flags: -color

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