Get a workspace by slug

curl --request GET \
  --url https://api.ctrlplane.dev/api/v1/workspaces/slug/{workspaceSlug}

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "slug": "<string>",
  "googleServiceAccountEmail": "ctrlplane@ctrlplane-workspace.iam.gserviceaccount.com",
  "awsRoleArn": "arn:aws:iam::123456789012:role/ctrlplane-workspace-role"
}