Get revision detail

curl --request GET \
  --url https://cloud-api.phala.com/api/v1/apps/{app_id}/revisions/{revision_id}

{
  "revision_id": "<string>",
  "app_id": "<string>",
  "vm_uuid": "<string>",
  "compose_hash": "<string>",
  "compose_file": {},
  "encrypted_env": "<string>",
  "user_config": "<string>",
  "created_at": "<string>",
  "trace_id": "<string>",
  "operation_type": "<string>",
  "triggered_by": {
    "object_type": "user",
    "id": "usr_0123abcd",
    "username": "<string>",
    "avatar_url": "<string>"
  },
  "cvm": {
    "vm_uuid": "<string>",
    "object_type": "cvm",
    "app_id": "<string>",
    "name": "<string>"
  },
  "workspace": {
    "id": "<string>",
    "name": "<string>",
    "object_type": "workspace",
    "slug": "<string>",
    "avatar_url": "<string>"
  }
}