add GPU running time for less powerful GPUs

app.py

@@ -287,7 +287,7 @@ def validate_file_structure():
     print("✅ All required files found")
     return True
 
-@spaces.GPU(duration=900)  # Increase GPU timeout to 15 minutes
+@spaces.GPU(duration=1200)  # Increase GPU timeout to 20 minutes for other less powerful GPUs
 def generate_music_spaces(lyrics: str, genre: str, mood: str, progress=gr.Progress()) -> str:
     """
     Generate music using YuE model with high-performance Spaces configuration