Support new Speak API

[dakahler]

HA has added a new Speak API. Of course, it is slightly different than the old Say API.

https://www.home-assistant.io/integrations/google_cloud#action-speak

target:
  entity_id: tts.google_cloud
data:
  cache: true
  media_player_entity_id: media_player.living_room_display
  message: this is a test
  language: en-US
  options:
    gender: male
    voice: en-US-Wavenet-F
    encoding: linear16
    speed: 0.9
    pitch: -2.5
    gain: -5.0
    text_type: ssml
    profiles:
      - telephony-class-application
      - wearable-class-device```

[helto4real]

I totally missed this. Thanks for pointing this out!! 👍 If you want to contribute it it will be great!