Add CG-Bench dataset support

[lyccnb]

Commit cg-bench:
In addition to creating the necessary files (vlmeval/dataset/cgbench.py, vlmeval/dataset/utils/cgbench.py) and modifying vlm/dataset/init.py, the following changes were implemented:

1. In run.py:

   • Added parameters to accommodate cg-bench's requirements: use_subtitle_time and use_frame_time
   • Combined these with the existing use_subtitle parameter to construct new dataset_kwargs for cg-bench
   • These parameters are passed to the dataset implementation

2. Modified file naming conventions to reflect parameter usage:

   • Updated the template string for intermediate result files to include subtitle status, subtitle timing, and frame timing information
   • Modified the naming pattern: tmpl = tmpl.replace('.pkl', f'_{subtitle_str}_{subtitle_time_str}_{frame_time_str}.pkl')
   • Made corresponding changes in vlmeval/inference_video to maintain consistency

3. Updated model configuration:

   • Added model specification for open-ended dataset evaluation: judge_kwargs['model'] = 'gpt-4o-0806' in run.py
   • This ensures compatibility with cg-bench evaluation requirements