### What this PR does / why we need it?
Update main2main to vllm 0308.
breaks:
* https://github.com/vllm-project/vllm/pull/30681
* https://github.com/vllm-project/vllm/pull/35552 remove
self.cudagraph_batch_sizes
* https://github.com/vllm-project/vllm/pull/35158 clear_metadata ->
defer_finalize
* https://github.com/vllm-project/vllm/pull/36006 remove
CacheConfig.cpu_offload_gb
* https://github.com/vllm-project/vllm/pull/35472
* https://github.com/vllm-project/vllm/pull/34552 attn_metadata_builder
* https://github.com/vllm-project/vllm/pull/30515 profile_seq_lens
* https://github.com/vllm-project/vllm/pull/28053
- vLLM version: v0.16.0
- vLLM main:
4034c3d32e
---------
Signed-off-by: MrZ20 <2609716663@qq.com>
Signed-off-by: menogrey <1299267905@qq.com>
Co-authored-by: MrZ20 <2609716663@qq.com>