feat(v2beta1): Add ability to set Cloud Speech model in SpeechToTextConfig (#587)

* feat: Can directly set Cloud Speech model on the SpeechToTextConfig PiperOrigin-RevId: 482665674 Source-Link: googleapis/googleapis@64926d5 Source-Link: https://github.com/googleapis/googleapis-gen/commit/351722be163def7666f13cb76b2a295d9f2a8450 Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMzUxNzIyYmUxNjNkZWY3NjY2ZjEzY2I3NmIyYTI5NWQ5ZjJhODQ1MCJ9 * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

google/cloud/dialogflow_v2beta1/types/audio_config.py

@@ -501,13 +501,24 @@ class SpeechToTextConfig(proto.Message):
  request. If enhanced model variant is specified and an
  enhanced version of the specified model for the language
  does not exist, then it would emit an error.
+ model (str):
+ Which Speech model to select. Select the model best suited
+ to your domain to get best results. If a model is not
+ explicitly specified, then a default model is used. Refer to
+ `Cloud Speech API
+ documentation <https://cloud.google.com/speech-to-text/docs/basics#select-model>`__
+ for more details.
  """
 
  speech_model_variant = proto.Field(
  proto.ENUM,
  number=1,
  enum="SpeechModelVariant",
  )
+ model = proto.Field(
+ proto.STRING,
+ number=2,
+ )
 
 
 __all__ = tuple(sorted(__protobuf__.manifest))