Upgrade to new vllm commit (#3719)

### 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>

tests/ut/core/test_schedule_config.py

@@ -78,21 +78,6 @@ class TestAscendSchedulerConfig(TestBase):
             str(context.exception),
         )
 
-    def test_not_implemented_send_delta_data(self):
-        with self.assertRaises(NotImplementedError) as context:
-            AscendSchedulerConfig.initialize_from_config(
-                self.basic_scheduler_config,
-                AscendSchedulerConfig(
-                    send_delta_data=True,
-                    max_num_batched_tokens=2048,
-                    max_model_len=2048,
-                ),
-            )
-        self.assertIn(
-            "currently AscendScheduler doesn't support send_delta_data",
-            str(context.exception),
-        )
-
     def test_no_override(self):
         ascend_config = AscendSchedulerConfig.initialize_from_config(
             self.basic_scheduler_config, {})

tests/ut/core/test_scheduler.py

@@ -9,7 +9,6 @@ from vllm.config import (CacheConfig, KVTransferConfig, ModelConfig,
 from vllm.multimodal.inputs import (MultiModalFeatureSpec,
                                     MultiModalKwargsItem, PlaceholderRange)
 from vllm.sampling_params import SamplingParams
-from vllm.utils import sha256
 from vllm.v1.core.kv_cache_utils import (get_request_block_hasher,
                                          init_none_hash)
 from vllm.v1.core.sched.output import SchedulerOutput
@@ -24,6 +23,11 @@ from vllm_ascend.core.scheduler import AscendScheduler
 from vllm_ascend.core.scheduler_dynamic_batch import SchedulerDynamicBatch
 from vllm_ascend.utils import vllm_version_is
 
+if vllm_version_is("0.11.0"):
+    from vllm.utils import sha256
+else:
+    from vllm.utils.hashing import sha256
+
 EOS_TOKEN_ID = 50256
 MODEL = "Qwen3-0.6B"
 ENABLE_PREFIX_CACHING = None