update vllm pin to 12.27 (#5412)

### What this PR does / why we need it?
update vllm pin to 12.27
1、Fix Qwen2-MoE shared_expert_gate
：https://github.com/vllm-project/vllm/pull/31339
### Does this PR introduce _any_ user-facing change?

### How was this patch tested?
vLLM version: release/v0.13.0
vLLM main:
5326c89803
Co-authored-by: leo-pony [nengjunma@outlook.com](nengjunma@outlook.com)

---------

Signed-off-by: ZT-AIA <1028681969@qq.com>
Signed-off-by: leo-pony <nengjunma@outlook.com>
Co-authored-by: leo-pony <nengjunma@outlook.com>

.github/workflows/pr_test_full.yaml

@@ -74,7 +74,7 @@ jobs:
     name: e2e-full
     strategy:
       matrix:
-        vllm_version: [81786c87748b0177111dfdc07af5351d8389baa1, v0.13.0]
+        vllm_version: [5326c89803566a131c928f7fdd2100b75c981a42, v0.13.0]
     needs: [changes]
     if: ${{ needs.changes.outputs.e2e_tracker == 'true' }}
     uses: ./.github/workflows/_e2e_test.yaml