[main2main] upgrade vllm to 0308 (#7213)

### 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>

.github/workflows/schedule_codecov_refresh.yaml

@@ -33,7 +33,7 @@ jobs:
     name: refresh codecov
     strategy:
       matrix:
-        vllm_version: [4034c3d32e30d01639459edd3ab486f56993876d]
+        vllm_version: [4497431df654e46fb1fb5e64bf8611e762ae5d87]
     uses: ./.github/workflows/_unit_test.yaml
     with:
       vllm: ${{ matrix.vllm_version }}