Javanese language code returning "jw" instead of "jv"

[CambodianCoder]

Environment details

• OS: MacOS
• Node.js version: 16.5
• npm version: 8.11.0
• @google-cloud/translate version: 6.3.1

Steps to reproduce

Based on documentation at https://cloud.google.com/translate/docs/advanced/discovering-supported-languages-v3

1. Import TranslationServiceClient from "@google-cloud/translate"
2. Call the function "getSupportedLanguages" on the TranslationServiceClient
3. Observe that the result for Javanese returns a language code of "jw", instead of "jv" as documented at https://cloud.google.com/translate/docs/languages