[CI] Fix sgl-router disaggregation test (#9222)

Signed-off-by: Shangming Cai <csmthu@gmail.com>

.github/workflows/pr-test-pd-router.yml

@@ -119,7 +119,7 @@ jobs:
         python3 -m pip --no-cache-dir install -e "python[all]" --break-system-packages
         python3 -m pip --no-cache-dir install mooncake-transfer-engine==0.3.5
         python3 -m pip --no-cache-dir install --user --force-reinstall genai-bench==0.0.1
-        python3 -m pip --no-cache-dir install sgl-kernel==0.3.4
+        python3 -m pip --no-cache-dir install sgl-kernel==0.3.5
 
     - name: Build and install sgl-router
       run: |