Update Dockerfile.ci to force-reinstall the 'pplx_kernels' package, ensuring the latest version is used in the CI environment.

Signed-off-by: tzhouam <tzhouam@connect.ust.hk>

docker/Dockerfile.ci

@@ -26,6 +26,8 @@ RUN uv pip uninstall --system nvidia-cublas-cu12
 # Use bash -c so that $(python3 -c ...) is expanded inside the container.
 RUN uv pip install --python "$(python3 -c 'import sys; print(sys.executable)')" --no-cache-dir ".[dev]"
 
+RUN pip install --system --upgrade --force-reinstall "pplx_kernels"
+
 RUN /bin/bash -c 'FLASHINFER_CUDA_TAG="$(python3 -c "import torch; print((torch.version.cuda or \"12.4\").replace(\".\", \"\"))")" && \
     uv pip install --system --upgrade --force-reinstall \
       "flashinfer-python==0.6.3" \