### What this PR does / why we need it? Upgrade to new vllm commit:c9461e05a4- Fix many imports, caused by https://github.com/vllm-project/vllm/pull/26908 - Fix import ```sha256```, caused by https://github.com/vllm-project/vllm/pull/27169 - Remove ```SchedulerConfig.send_delta_data```, caused by https://github.com/vllm-project/vllm/pull/27142 - Fix ```FusedMoE``` because of dual stream execution, caused by https://github.com/vllm-project/vllm/pull/26440 ### Does this PR introduce _any_ user-facing change? N/A ### How was this patch tested? CI passed with new added/existing test. - vLLM version: v0.11.0rc3 - vLLM main:17c540a993--------- Signed-off-by: MengqingCao <cmq0113@163.com> Signed-off-by: Icey <1790571317@qq.com> Co-authored-by: MengqingCao <cmq0113@163.com>