[CI]pin vllm commit id (#3861)

### What this PR does / why we need it?
the code of vllm is updated, pin vllm commit id to recover CI firstly

### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

- vLLM version: v0.11.0rc3
- vLLM main:
https://github.com/vllm-project/vllm/commit/releases/v0.11.1

Signed-off-by: Meihan-chen <jcccx.cmh@gmail.com>

.github/workflows/vllm_ascend_test_full.yaml

@@ -69,7 +69,7 @@ jobs:
     name: e2e-full
     strategy:
       matrix:
-        vllm_version: [releases/v0.11.1, v0.11.0]
+        vllm_version: [83f478bb19489b41e9d208b47b4bb5a95ac171ac, v0.11.0]
     needs: [changes]
     if: ${{ needs.changes.outputs.e2e_tracker == 'true' }}
     uses: ./.github/workflows/_e2e_test.yaml