Pipeline npu test (#2938)

Signed-off-by: gcanlin <canlinguosdu@gmail.com>

.buildkite/pipeline-npu.yaml

@@ -2,7 +2,7 @@ steps:
   - label: ":buildkit: Build and Push NPU Test Image"
     key: image-build
     agents:
-      queue: "ascend-a3"
+      queue: "ascend-a2b3"
       resource_class: "npu-2"
     plugins:
       - kubernetes:
@@ -85,7 +85,7 @@ steps:
     key: upload-ready-pipeline
     if: build.branch != "main" && build.pull_request.labels includes "ready"
     agents:
-      queue: "ascend-a3"
+      queue: "ascend-a2b3"
       resource_class: "npu-2"
     command: |
       buildkite-agent pipeline upload .buildkite/test-npu-ready.yaml

.buildkite/test-npu-ready.yaml

@@ -2,7 +2,7 @@ steps:
   - label: "Simple Unit Test"
     depends_on: upload-ready-pipeline
     agents:
-      queue: "ascend-a3"
+      queue: "ascend-a2b3"
       resource_class: "npu-2"
     image: "swr.cn-southwest-2.myhuaweicloud.com/modelfoundry/vllm-omni-ci-npu:${BUILDKITE_COMMIT}"
     plugins: