Bump actions/checkout from 4.1.7 to 4.2.0 #128

	name: Sanitize
	on:
	pull_request:
	types:
	- opened
	- synchronize
	- reopened
	- labeled

	jobs:
	event_data:
	runs-on: ubuntu-latest
	name: pull request title
	steps:
	- name: read event data
	run: \|
	import json
	import os
	import shlex
	with open('${{ github.event_path }}') as fh:
	event = json.load(fh)
	print(json.dumps(event, indent=4))
	escaped = shlex.quote(event['pull_request']['title'])
	print(escaped)
	with open(os.environ['GITHUB_ENV'], 'a') as fh:
	print(f'PULL_TITLE={escaped}', file=fh)
	shell: python3 {0}
	- name: show PULL_TITLE environment variable
	run: echo $PULL_TITLE

	check_label:
	runs-on: ubuntu-latest
	name: inspect PR labels
	steps:
	- name: show labels
	run: \|
	import os
	print(os.environ['LABELS'])
	shell: python3 {0}
	env:
	LABELS: ${{ toJSON(github.event.pull_request.labels) }}
	- name: show label names
	run: \|
	import os
	print(os.environ['LABELS'])
	shell: python3 {0}
	env:
	LABELS: ${{ toJSON(github.event.pull_request.labels.*.name) }}
	- name: run if labels contain "meow"
	if: contains(github.event.pull_request.labels.*.name, 'meow')
	run: echo "Labels contain \"meow\"."

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