Upgrade to 0.11.1 newest vllm commit (#3982)

### What this PR does / why we need it?
adapt vllm-ascend main branch with vllm releases/v0.11.1

fix `forward context not set` in test_vlm.py caused by:
https://github.com/vllm-project/vllm/pull/23207

fix import `cdiv round` failed caused by:
https://github.com/vllm-project/vllm/pull/27188

fix import `init_cached_hf_modules` failed caused by:
https://github.com/vllm-project/vllm/pull/27567

adapt triton kernel `fused_recurrent_gated_delta_rule_fwd_kernel` caused
by: https://github.com/vllm-project/vllm/pull/27654
- remove unused code in sigmoid_gating.py
- `class FusedRecurrentFunction` , `fused_recurrent_gated_delta_rule`,
`fused_recurrent_gated_delta_rule_fwd`

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
CI 


- vLLM version: v0.11.0
- vLLM main:
83f478bb19

Signed-off-by: 22dimensions <waitingwind@foxmail.com>

.github/workflows/format_pr_body.yaml

@@ -36,7 +36,7 @@ jobs:
 
       - name: Get vLLM version
         run: |
-          VLLM_COMMIT=83f478bb19489b41e9d208b47b4bb5a95ac171ac
+          VLLM_COMMIT=2918c1b49c88c29783c86f78d2c4221cb9622379
           echo "VLLM_COMMIT=https://github.com/vllm-project/vllm/commit/$VLLM_COMMIT" >> $GITHUB_ENV
 
       - name: Checkout repository