message: chore: update CODEOWNERS config
diff: "repo": "googleapis/nodejs-pubsub",
  "distribution_name": "@google-cloud/pubsub",
  "api_id": "pubsub.googleapis.com",
  - "requires_billing": true
  + "requires_billing": true,
  + "codeowner_team": "@googleapis/api-pubsub"
  }
  