[CI]Add global env to runner (#537)

### What this PR does / why we need it?
- add `HF_TOKEN` as global var to the runner
- add `HF_ENDPOINT` as global var to the runner
- change concurrency group, rely on current pr num

---------

Signed-off-by: wangli <wangli858794774@gmail.com>

.github/workflows/vllm_ascend_test.yaml

@@ -48,13 +48,21 @@ jobs:
         os: [linux-arm64-npu-1, linux-arm64-npu-4]
         vllm_verison: [main, v0.8.4]
     concurrency:
-      group: |
-        ${{ matrix.os == 'linux-arm64-npu-4' && 'limit-npu-4' || format('job-{0}-{1}', matrix.os, matrix.vllm_verison) }}
+      group: >
+        ${{ 
+        matrix.os == 'linux-arm64-npu-4' 
+          && github.event.pull_request.number 
+          && format('pr-{0}-limit-npu-4', github.event.pull_request.number) 
+        || format('job-{0}-{1}-{2}', matrix.os, matrix.vllm_verison, github.event.pull_request.number) 
+        }}
       cancel-in-progress: false
     name: vLLM Ascend test
     runs-on: ${{ matrix.os }}
     container:
       image: quay.io/ascend/cann:8.0.0-910b-ubuntu22.04-py3.10
+      env:
+        HF_ENDPOINT: https://hf-mirror.com
+        HF_TOKEN: ${{ secrets.HF_TOKEN }}
     steps:
       - name: Check npu and CANN info
         run: |
@@ -112,7 +120,6 @@ jobs:
       - name: Run vllm-project/vllm-ascend test on V0 engine
         env:
           VLLM_USE_V1: 0
-          HF_ENDPOINT: https://hf-mirror.com
         run: |
           if [[ "${{ matrix.os }}" == "linux-arm64-npu-1" ]]; then
             pytest -sv tests/singlecard
@@ -126,7 +133,6 @@ jobs:
         env:
           VLLM_USE_V1: 1
           VLLM_WORKER_MULTIPROC_METHOD: spawn
-          HF_ENDPOINT: https://hf-mirror.com
         run: |
           if [[ "${{ matrix.os }}" == "linux-arm64-npu-1" ]]; then
             pytest -sv tests/singlecard
@@ -140,6 +146,5 @@ jobs:
         env:
           VLLM_USE_V1: 0
           PYTORCH_NPU_ALLOC_CONF: max_split_size_mb:256
-          HF_ENDPOINT: https://hf-mirror.com
         run: |
           pytest -sv