Add Cantonese Whisper model

- Add alvanlii/whisper-small-cantonese model option to Gradio dropdown
- Update requirements.txt with necessary dependencies

app.py

@@ -1,20 +1,18 @@
-import spaces
+# import spaces
 import gradio as gr
 # Use a pipeline as a high-level helper
 import torch
 from transformers import AutoModelForSpeechSeq2Seq, AutoProcessor, pipeline
-from datasets import load_dataset
+# from datasets import load_dataset
 
-@spaces.GPU(duration=120)
-def transcribe_audio(audio):
+# @spaces.GPU(duration=120)
+def transcribe_audio(audio, model_id):
     if audio is None:
         return "Please upload an audio file."
 
     device = "cuda:0" if torch.cuda.is_available() else "cpu"
     torch_dtype = torch.float16 if torch.cuda.is_available() else torch.float32
 
-    model_id = ["openai/whisper-large-v3", "alvanlii/whisper-small-cantonese"]
-
     model = AutoModelForSpeechSeq2Seq.from_pretrained(
         model_id, torch_dtype=torch_dtype, low_cpu_mem_usage=True, use_safetensors=True
     )