Force Python 3.11 via Dockerfile to fix audioop/pydub compatibility

Dockerfile

@@ -0,0 +1,10 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD ["python", "app.py"]

requirements.txt

@@ -1,3 +1,4 @@
 gradio==4.44.0
 huggingface_hub==0.24.0
 requests==2.31.0
+pydub==0.25.1