[Main2Main] Upgrade vLLM to 0226 (#6813)

### What this PR does / why we need it?

Breaking:
1. https://github.com/vllm-project/vllm/pull/33452
2. https://github.com/vllm-project/vllm/pull/33451
3. https://github.com/vllm-project/vllm/pull/32567
4. https://github.com/vllm-project/vllm/pull/32344

### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

- vLLM version: v0.15.0
- vLLM main:
83b47f67b1

---------

Signed-off-by: MrZ20 <2609716663@qq.com>
Signed-off-by: gcanlin <canlinguosdu@gmail.com>
Co-authored-by: MrZ20 <2609716663@qq.com>

vllm_ascend/patch/worker/patch_qwen3_next_mtp.py

@@ -1,14 +1,8 @@
 import torch
 import vllm.v1.worker.utils as utils
+from vllm.model_executor.layers.attention import Attention
 from vllm.v1.worker.utils import defaultdict, extract_layer_index
 
-from vllm_ascend.utils import vllm_version_is
-
-if vllm_version_is("v0.15.0"):
-    from vllm.attention.layer import Attention  # type: ignore
-else:
-    from vllm.model_executor.layers.attention import Attention
-
 
 # Without this patch, it will raise an exception when initialize kv_cache.
 # TODO To remove the patch, we need check why the original bind_kv_cache raises an NotImplementedError.