Update MoYoYo TTS prompt text for improved relevance and clarity

src/voice_dialogue/services/audio/generators/configs/moyoyo.py

@@ -262,7 +262,7 @@ MOYOYO_TTS_CONFIGS = [
         },
         'inference_parameters': {
             'text_lang': "en",
-            'prompt_text': "It's been crazy busy, but in a good way. I'm working on this app that helps people find local farmers markets. ",
+            'prompt_text': "Tesla, which he joined in the early 2000s, is famous for its electric vehicles.",
             'prompt_lang': "en",
             'top_k': 5,
             'top_p': 1,