[Nightly] Upgrade single node test to latest main (#5101)

### What this PR does / why we need it?
Sync source code from vllm-ascend on nightly tests

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

.github/workflows/_e2e_nightly_single_node.yaml

@@ -62,6 +62,13 @@ jobs:
           npu-smi info
           cat /usr/local/Ascend/ascend-toolkit/latest/"$(uname -i)"-linux/ascend_toolkit_install.info
 
+      - name: Sync from vllm-Ascend main branch
+        working-directory: /vllm-workspace/vllm-ascend
+        run: |
+          git config --global --add safe.directory "$(pwd)"
+          git config --global url."https://gh-proxy.test.osinfra.cn/https://github.com/".insteadOf https://github.com/
+          git pull origin main
+
       - name: Show vLLM and vLLM-Ascend version
         working-directory: /vllm-workspace
         run: |