Bump actions/checkout from 3 to 4 #158

	# GitHub Actions Virtual Environments
	# https://github.com/actions/virtual-environments/

	name: Danger

	on:
	pull_request:
	types: [synchronize, opened, reopened, labeled, unlabeled, edited]

	env:
	DEVELOPER_DIR: /Applications/Xcode_13.2.1.app/Contents/Developer

	jobs:
	main:
	name: Review, Lint, Verify
	runs-on: macOS-11
	steps:
	- name: git checkout
	uses: actions/checkout@v4

	- name: ruby versions
	run: \|
	ruby --version
	gem --version
	bundler --version

	# https://github.com/ruby/setup-ruby
	- name: ruby setup
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 2.7
	bundler-cache: true

	- name: jazzy docs
	run: bundle exec jazzy --output docs/

	- name: danger
	env:
	DANGER_GITHUB_API_TOKEN: ${{ secrets.DANGER_GITHUB_API_TOKEN }}
	run: bundle exec danger --verbose

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