Update github-actions (major) #1070

	name: Check generated content
	'on':
	pull_request:
	branches: [main]
	jobs:
	check:
	name: Check generated content
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

	- name: Check template notice comments
	run: \|
	#!/bin/bash
	set -euo pipefail

	hack/template_notice.py fix

	if [[ -n "$(git status -s)" ]]; then
	git --no-pager diff --color
	printf "::warning::%s\n" \
	"Template notice comments are missing or not in the expected format." \
	"Run './hack/template_notice.py fix' to autofix them."
	exit 1
	fi

	- name: Check that files in root are up to date with templates
	run: \|
	#!/bin/bash
	set -euo pipefail

	hack/selfupdate.sh

	if [[ -n "$(git status -s)" ]]; then
	git status -s
	printf "::warning::%s\n" \
	"Files in ./ are not up to date with ./{{cookiecutter.repo_root}}/" \
	"Run './hack/selfupdate.sh' to update them."
	exit 1
	fi

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