Upgrade vLLM version to v0.9.2 (#1652)

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

This patch upgrade vLLM version to v0.9.2, this patch didn't remove the
v0.9.1 compatible code to easy review.

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?

- vLLM version: v0.9.1
- vLLM main:
14601f5fba
- Accuracy test with 0.9.2:
https://github.com/vllm-project/vllm-ascend/actions/runs/16121612087

Signed-off-by: Yikun Jiang <yikunkero@gmail.com>

docs/source/community/versioning_policy.md

@@ -74,8 +74,8 @@ Usually, each minor version of vLLM (such as 0.7) will correspond to a vLLM Asce
 
 | Branch     | Status       | Note                                 |
 |------------|--------------|--------------------------------------|
-| main       | Maintained   | CI commitment for vLLM main branch and vLLM 0.9.x branch   |
-| v0.9.1-dev | Maintained   | CI commitment for vLLM 0.9.0 and 0.9.1 version |
+| main       | Maintained   | CI commitment for vLLM main branch and vLLM 0.9.2 branch   |
+| v0.9.1-dev | Maintained   | CI commitment for vLLM 0.9.1 version |
 | v0.7.3-dev | Maintained   | CI commitment for vLLM 0.7.3 version |
 | v0.7.1-dev | Unmaintained | Replaced by v0.7.3-dev               |
 

docs/source/user_guide/graph_mode.md

@@ -12,7 +12,7 @@ From v0.9.1rc1 with V1 Engine, vLLM Ascend will run models in graph mode by defa
 
 There are two kinds for graph mode supported by vLLM Ascend:
 - **ACLGraph**: This is the default graph mode supported by vLLM Ascend. In v0.9.1rc1, only Qwen series models are well tested.
-- **TorchAirGraph**: This is the GE graph mode. In v0.9.1rc1, only DeepSeek series models are supported. In v0.9.1rc2, we also support PanguProMoe with torchair.
+- **TorchAirGraph**: This is the GE graph mode. In v0.9.1rc1, only DeepSeek series models are supported.
 
 ## Using ACLGraph
 ACLGraph is enabled by default. Take Qwen series models as an example, just set to use V1 Engine is enough.