Bump actions/checkout from 3 to 4 #18

	name: dockerfile validator

	on:
	pull_request:
	paths:
	- 'Dockerfile'
	- '.github/workflows/dockerfile-validator.yml'

	jobs:
	test:
	name: verify-dockerfile
	runs-on: ubuntu-latest
	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v4
	- name: Verify Dockerfile
	uses: ghe-actions/dockerfile-validator@v1
	with:
	dockerfile: 'Dockerfile'
	lint: 'dockerlint'

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