[Feature]: Add support for Cloud Text-to-Speech API from Google

Summary

Add Cloud Text-to-Speech API as TTS option

Is your feature request related to a problem?

Feature is not related to a problem, but would add support for an additional TTS provider.

Describe the solution you'd like

A drop-in option for Cloud Text-to-Speech API from Google https://cloud.google.com/text-to-speech

Describe alternatives you've considered

No response

Additional Context

No response