Fix: Use correct Whisper model name (whisper-large-v3 instead of whisper-large-v3-turbo)

The model 'openai/whisper-large-v3-turbo' does not exist, causing the transcription subprocess to fail with exit status 1. Changed to the correct model 'openai/whisper-large-v3'.

app.py

@@ -131,7 +131,7 @@ def transcribe_audio(file_path):
                 "insanely-fast-whisper",
                 "--file-name", file_path,
                 "--device-id", "0",
-                "--model-name", "openai/whisper-large-v3-turbo",
+                "--model-name", "openai/whisper-large-v3",
                 "--task", "transcribe",
                 "--timestamp", "chunk",
                 "--transcript-path", output_file,
@@ -293,7 +293,7 @@ with gr.Blocks() as demo:
 
     gr.Markdown("""
     ---
-    **Pipeline:** Whisper large-v3-turbo → Google Translate → Qwen3-TTS voice clone → Wav2Lip (optional)  
+    **Pipeline:** Whisper large-v3 → Google Translate → Qwen3-TTS voice clone → Wav2Lip (optional)  
     By [@artificialguybr](https://twitter.com/artificialguybr)
     """)