Update examples to use the class Settings alias

examples/foundational/21-tavus-transport.py

@@ -22,9 +22,9 @@ from pipecat.processors.aggregators.llm_response_universal import (
     LLMContextAggregatorPair,
     LLMUserAggregatorParams,
 )
-from pipecat.services.cartesia.tts import CartesiaTTSService, CartesiaTTSSettings
+from pipecat.services.cartesia.tts import CartesiaTTSService
 from pipecat.services.deepgram.stt import DeepgramSTTService
-from pipecat.services.google.llm import GoogleLLMService, GoogleLLMSettings
+from pipecat.services.google.llm import GoogleLLMService
 from pipecat.transports.tavus.transport import TavusParams, TavusTransport
 
 load_dotenv(override=True)
@@ -51,14 +51,14 @@ async def main():
 
         tts = CartesiaTTSService(
             api_key=os.getenv("CARTESIA_API_KEY"),
-            settings=CartesiaTTSSettings(
+            settings=CartesiaTTSService.Settings(
                 voice="a167e0f3-df7e-4d52-a9c3-f949145efdab",
             ),
         )
 
         llm = GoogleLLMService(
             api_key=os.getenv("GOOGLE_API_KEY"),
-            settings=GoogleLLMSettings(
+            settings=GoogleLLMService.Settings(
                 system_instruction="You are a helpful LLM in a WebRTC call. Your goal is to demonstrate your capabilities in a succinct way. Your output will be spoken aloud, so avoid special characters that can't easily be spoken, such as emojis or bullet points. Respond to what the user said in a creative and helpful way.",
             ),
         )