message: updating nodejs code generator version to 1.9.3
diff: @@ -41,7 +41,7 @@ use-extension:
  ``` yaml $(nodejs)
  use-extension:
  - "@microsoft.azure/autorest.nodejs": "1.9.2"
  + "@microsoft.azure/autorest.nodejs": "1.9.3"
  ```
  ``` yaml $(php)
  