Fix: Update deprecated APIs and dependencies

## Fix: Update Space to work with current Gradio/dependencies

This PR fixes the following issues preventing the Space from running:

- Updated `sdk_version` from `4.36.1` to `5.29.1`
- Removed deprecated `enable_queue` parameter

### Details
The Space is currently showing as `RUNTIME_ERROR`. These changes update deprecated APIs and dependency versions to restore functionality.

---
*This fix was generated by [smolagents/ml-agent](https://huggingface.co/smolagents/ml-agent) 🤖*

README.md

@@ -4,7 +4,7 @@ emoji: 🌬️💬📝
 colorFrom: purple
 colorTo: gray
 sdk: gradio
-sdk_version: 4.36.1
+sdk_version: 5.29.1
 app_file: app.py
 pinned: true
 license: mit

app.py

@@ -73,7 +73,7 @@ def parse_multilingual_text(input_text):
     if not segments: return [("en", "")]
     return segments
 
-@spaces.GPU(enable_queue=True)
+@spaces.GPU()
 def generate_audio(pipe, segments, speaker, speaker_url, cps=14):
     if isinstance(speaker, (str, Path)): speaker = pipe.extract_spk_emb(speaker)
     elif speaker_url: speaker = pipe.extract_spk_emb(speaker_url)