Update cudf & cuml to 21.10 (#1090)

Author: raydouglass

Dockerfile.tmpl

@@ -73,7 +73,7 @@ RUN conda config --add channels nvidia && \
     /tmp/clean-layer.sh
 
 {{ if eq .Accelerator "gpu" }}
-RUN conda install cudf=21.08 cuml=21.08 cudatoolkit=$CUDA_MAJOR_VERSION.$CUDA_MINOR_VERSION && \
+RUN conda install cudf=21.10 cuml=21.10 cudatoolkit=$CUDA_MAJOR_VERSION.$CUDA_MINOR_VERSION && \
     /tmp/clean-layer.sh
 {{ end }}