Merge pull request #12433
* feat: Add Google Cloud Translation document transformer
* Merge branch 'langchain-ai:master' into google-translate
* Add documentation for Google Translate Document Transformer
* Fix line length error
* Merge branch 'master' into google-translate
* Merge branch 'google-translate' of https://github.com/holtskinner/lan…
* Addressed code review comments
* Merge branch 'master' into google-translate
* Merge branch 'google-translate' of https://github.com/holtskinner/lan…
* Removed extra variable
* Merge branch 'google-translate' of https://github.com/holtskinner/lan…
* Merge branch 'master' into google-translate
* Merge branch 'google-translate' of https://github.com/holtskinner/lan…
* Removed extra import
