Bump actions/checkout from 3 to 4 #49

	# Run tests when a pull request is received
	#
	# Note: As of 2021-08-04, GitHub Actions has no good way to reply to PRs.
	# Here are some links that might help:
	# * https://github.community/t/github-actions-are-severely-limited-on-prs/18179#M9249
	# * people complaining about this issue, some have interesting workarounds
	# * https://github.com/mshick/add-pr-comment
	# * one (partial) solution

	name: Check incoming PRs

	on:
	pull_request:
	branches:
	- main

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Cache node modules
	uses: actions/cache@v3
	env:
	cache-name: cache-node-modules
	with:
	path: ~/.npm
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-build-${{ env.cache-name }}-
	${{ runner.os }}-build-
	${{ runner.os }}-
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	ref: built
	- name: Run tests
	id: run_tests
	uses: docker://ghcr.io/sleepdiary/builder:latest
	with:
	args: automated-test

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