Set GPU function durations to 180 seconds for better reliability

- Changed generation_all duration from 130 to 180 seconds
- Changed generate_texture_lazy duration from 130 to 180 seconds
- Provides better safety margin for texture generation
- Reduces risk of 'GPU task aborted' errors

gradio_app.py

@@ -549,7 +549,7 @@ def _gen_shape(
     main_image = image if not MV_MODE else image['front']
     return mesh, main_image, save_folder, stats, seed
 
-@spaces.GPU(duration=130)
+@spaces.GPU(duration=180)
 def generation_all(
     caption=None,
     image=None,