[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_