[CI][lint] Add rule codespell back (#6236)

### What this PR does / why we need it?
After removing codepsell a while, we discovered that typo had a problem
correctly recognizing certain misspelled words, so I suggested adding it
back.

- vLLM version: v0.14.1
- vLLM main:
d68209402d

---------

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

csrc/moe_init_routing_custom/op_host/moe_init_routing_custom_tiling.cpp

@@ -903,7 +903,7 @@ void MoeInitRountingCustomTilingBase::Tinlig4VBSMultiCoreCompute(MoeCustomVBSCom
     needCoreNum = std::min(needCoreNum, aivNum);
 
     if (needCoreNum == 0) {
-        OPS_LOG_E(context_->GetNodeName(), "Variale needCoreNum cannot be 0.");
+        OPS_LOG_E(context_->GetNodeName(), "Variate needCoreNum cannot be 0.");
         return;
     }
     int64_t perCoreElements = (needCoreNum == 0) ? 0 : (totalLength_ / needCoreNum);