chore(genai): Update live_audio_with_txt to gemini-2.5-flash-native-audio (#13792)

* chore(genai): Update live_audio_with_txt to gemini-2.5-flash-native-audio

* chore(genai) Update gimini to live-2.5

Author: angelcaamal

genai/live/live_audio_with_txt.py

@@ -37,7 +37,7 @@ def play_audio(audio_array: np.ndarray, sample_rate: int = 24000) -> None:
 
     client = genai.Client()
     voice_name = "Aoede"
-    model = "gemini-2.0-flash-live-preview-04-09"
+    model = "gemini-live-2.5-flash-native-audio"
 
     config = LiveConnectConfig(
         response_modalities=[Modality.AUDIO],