Update usage of checkout action to v4 #573

	name: Test SSH Keys

	on:
	- pull_request

	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	jobs:
	ssh_key:
	runs-on: ubuntu-latest
	name: Git module source
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Plan
	uses: ./terraform-plan
	env:
	TERRAFORM_SSH_KEY: ${{ secrets.TERRAFORM_SSH_KEY }}
	with:
	path: tests/workflows/test-ssh
	label: test-ssh ssh_key

	- name: Apply
	uses: ./terraform-apply
	id: output
	env:
	TERRAFORM_SSH_KEY: ${{ secrets.TERRAFORM_SSH_KEY }}
	with:
	path: tests/workflows/test-ssh
	label: test-ssh ssh_key

	- name: Verify outputs
	run: \|
	if [[ "${{ steps.output.outputs.word }}" != "hello" ]]; then
	echo "::error:: output not set correctly"
	exit 1
	fi

	no_ssh_key:
	runs-on: ubuntu-latest
	name: Git module source with no key
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Plan
	uses: ./terraform-plan
	continue-on-error: true
	id: plan
	with:
	path: tests/workflows/test-ssh
	label: test-ssh no_ssh_key
	add_github_comment: false

	- name: Check failed
	run: \|
	if [[ "${{ steps.plan.outcome }}" != "failure" ]]; then
	echo "did not fail correctly with no SSH key"
	exit 1
	fi

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