added key protection to process voice end point

app.py

@@ -104,7 +104,7 @@ async def chat(request: ChatRequest):
     )
 # Voice processing endpoint
 @app.post("/process-voice")
-async def process_voice(audio_file: UploadFile = File(...)):
+async def process_voice(audio_file: UploadFile = File(...), dependencies=[Depends(verify_api_key)]):
 # async def process_voice(name: str):
 
     try: