Add deepseek-ai/DeepSeek-V3.2-Exp

[huydhn]

A fairly new mode that has just been added to vLLM after vllm-project/vllm#25896

[huydhn]

Results

• 2.8 without standalone compile

  • No crash https://github.com/pytorch/pytorch-integration-testing/actions/runs/18231246416, I can see the results on the dashboard

• 2.8 with standalone compile
  *No crash https://github.com/pytorch/pytorch-integration-testing/actions/runs/18236468188, the results on dashboard

• 2.9 without standalone compile

  • Done as part of https://github.com/pytorch/pytorch-integration-testing/actions/runs/18241908880

• 2.9 with standalone compile

  • Done as part of https://github.com/pytorch/pytorch-integration-testing/actions/runs/18255983586