[NPU] upgrade to v0.26.0 (#5490)

Signed-off-by: Weiming Liao <liaowm5@gmail.com>

docs/getting_started/installation/npu/npu.inc.md

@@ -9,8 +9,8 @@ The recommended way to use vLLM-Omni on NPU is through the vLLM-Ascend pre-built
 
 ```bash
 # vLLM-Ascend image
-# Atlas A2: quay.io/atlas-ci/vllm-ascend:v0.25.0
-# Atlas A3: quay.io/atlas-ci/vllm-ascend:v0.25.0-a3
+# Atlas A2: quay.io/atlas-ci/vllm-ascend:v0.26.0
+# Atlas A3: quay.io/atlas-ci/vllm-ascend:v0.26.0-a3
 docker run --rm \
     --name vllm-omni-npu \
     --shm-size=1g \
@@ -32,7 +32,7 @@ docker run --rm \
 
 # Inside the container, install vLLM-Omni from source
 cd /vllm-workspace
-git clone -b v0.25.0 https://github.com/vllm-project/vllm-omni.git
+git clone -b v0.26.0 https://github.com/vllm-project/vllm-omni.git
 cd vllm-omni
 pip install -v -e . --no-build-isolation
 # or VLLM_OMNI_TARGET_DEVICE=npu pip install -v -e .
@@ -84,8 +84,8 @@ Supported images as following.
 Here's an example deployment command that has been verified on 4 x NPUs:
 
 ```bash
-# Atlas A2: quay.io/ascend/vllm-omni:v0.25.0
-# Atlas A3: quay.io/ascend/vllm-omni:v0.25.0-a3
+# Atlas A2: quay.io/ascend/vllm-omni:v0.26.0
+# Atlas A3: quay.io/ascend/vllm-omni:v0.26.0-a3
 docker run --rm \
     --name vllm-omni-a3 \
     --shm-size=4g \
@@ -110,7 +110,7 @@ docker run --rm \
     -v /etc/ascend_install.info:/etc/ascend_install.info \
     -v ~/.cache:/root/.cache \
     -p 8091:8091 \
-    -it quay.io/ascend/vllm-omni:v0.25.0-a3 bash
+    -it quay.io/ascend/vllm-omni:v0.26.0-a3 bash
 ```
 
 !!! tip