fix: `thread_ts` is not always present #14

	name: Close Pull Request

	on:
	pull_request:
	types: [ closed ]

	jobs:
	teardown_pr_environment:
	name: Teardown Cloud Run PR environment
	runs-on: ubuntu-latest

	# Grant permissions to `GITHUB_TOKEN` for Google Cloud Workload Identity Provider
	permissions:
	contents: read
	id-token: write

	steps:
	- uses: 'actions/checkout@v3'

	- name: Authenticate to Google Cloud
	uses: 'google-github-actions/auth@v1'
	with:
	workload_identity_provider: ${{ secrets.GOOGLE_CLOUD_WIP }}
	service_account: ${{ secrets.GOOGLE_CLOUD_SERVICE_ACCOUNT }}

	- name: Set up Cloud SDK
	uses: 'google-github-actions/setup-gcloud@v1'
	with:
	version: '>= 435.0.0'

	- name: Get Docker image tag from GITHUB_REF
	id: docker-image-tag-from-ref
	uses: ./.github/actions/docker-image-tag-from-ref

	- name: Remove PR environment if exists
	run: \|
	service_name="argilla-quickstart-${{ steps.docker-image-tag-from-ref.outputs.docker-image-tag }}"
	services=$(gcloud run services list --project=argilla-ci --format="value(metadata.name)")
	if echo "$services" \| grep -q "$service_name"; then
	echo "Service '$service_name' exists. Removing it..."
	gcloud run services delete $service_name --project=argilla-ci --region=europe-southwest1 --quiet
	else
	echo "Service $service_name does not exist."
	fi

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