Changes to Synthesize speech and play it into a room

removed the enum value azure of the request property provider

added the new azure enum value to the request property provider

the request property model_id became required

removed the required property tts_id from the response with the 200 status

the request property volume with a default value became required

added the new deepgram enum value to the request property provider

the request property model_id became optional

the request property volume became optional

added the required property tts_id to the response with the 200 status

the request property model_id became required

removed the required property tts_id from the response with the 200 status

the request property volume with a default value became required